Stockholders' Equity (Capital Raises) (Narrative) (Details) - USD ($)
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1 Months Ended |
3 Months Ended |
9 Months Ended |
12 Months Ended |
Nov. 16, 2021 |
Oct. 23, 2020 |
Aug. 28, 2020 |
Aug. 26, 2020 |
Jun. 11, 2020 |
May 29, 2020 |
Feb. 14, 2020 |
Jul. 13, 2018 |
Dec. 31, 2021 |
Nov. 30, 2021 |
Mar. 31, 2021 |
Nov. 30, 2020 |
Sep. 30, 2020 |
Nov. 30, 2017 |
Sep. 30, 2020 |
Dec. 31, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Common Stock [Member] | MLV & Co. and FBR Capital Markets & Co [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, price per share |
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$ 3.05
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$ 3.05
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$ 3.05
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| Series A Perpetual Preferred Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Preferred Stock, dividend rate percentage |
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9.375%
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| Cyprium [Member] | Series A Perpetual Preferred Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Preferred Stock, dividend rate percentage |
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9.375%
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| Preferred Stock, dividend per share |
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$ 0.19531
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| Preferred stock, dividend paid |
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$ 49,883
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$ 700,000
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$ 200,000
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| Mustang [Member] | Common Stock [Member] | Cantor Fitzgerald & Co [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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10,769,231
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| Stock offering, price per share |
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$ 3.25
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| Option to purchase additional shares, exercised |
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686,373
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| Stock offering, gross proceeds |
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$ 37,200,000
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| Stock offering, aggregate fees paid |
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2,400,000
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| Sale of stock, net proceeds |
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$ 34,800,000
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| Option to purchase additional number of shares |
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1,615,384
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| Journey [Member] | 8% Cumulative Convertible Class A Preferred Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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81,985
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| Stock offering, price per share |
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10.00
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$ 10.00
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$ 10.00
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| Stock offering, gross proceeds |
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$ 19,000,000.0
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$ 19,000,000.0
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| Stock offering, aggregate fees paid |
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1,900,000
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1,900,000
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| Sale of stock, net proceeds |
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17,000,000.0
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$ 17,000,000.0
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| Preferred Stock, dividend rate percentage |
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8.00%
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8.00%
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| Stock offering other fees paid |
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$ 100,000
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$ 100,000
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| Journey [Member] | 8% Cumulative Convertible Class A Preferred Stock [Member] | Preferred Stock has not been Converted into Journey Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Preferred stock offering, aggregate proceeds |
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$ 25,000,000.0
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| Maximum [Member] | Journey [Member] | 8% Cumulative Convertible Class A Preferred Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Preferred stock offering, aggregate proceeds |
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30,000,000.0
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| Minimum [Member] | Journey [Member] | 8% Cumulative Convertible Class A Preferred Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Preferred stock offering, aggregate proceeds |
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$ 12,500,000
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| At the Market Offering [Member] | Common Stock [Member] | Cantor Fitzgerald & Co., Oppenheimer & Co., Inc., H.C. Wainwright & Co. Inc., Jones Trading Institutional Services LLC and B. Riley [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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17,400,000
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| Stock offering, price per share |
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$ 2.73
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| Stock offering, gross proceeds |
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$ 47,500,000
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| Stock offering, aggregate fees paid |
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$ 1,400,000
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| At the Market Offering [Member] | Common Stock [Member] | Cantor Fitzgerald & Co., Oppenheimer & Co., Inc., H.C. Wainwright & Co. Inc., Jones Trading Institutional Services LLC. B. Riley and Dawson James Securities, Inc [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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3,100,000
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| Stock offering, price per share |
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3.05
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$ 3.05
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$ 3.05
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| Stock offering, gross proceeds |
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$ 9,400,000
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| Stock offering, aggregate fees paid |
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$ 300,000
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| At the Market Offering [Member] | Checkpoint [Member] | Common Stock [Member] | Founders Agreement [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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297,490
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310,625
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| Shares issued (in percent) |
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2.50%
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| At the Market Offering [Member] | Mustang [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of Shares issuable for At-the-Market offering |
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107,022
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| At the Market Offering [Member] | Mustang [Member] | Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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19.4
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17,600,000
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| Stock offering, price per share |
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$ 3.70
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3.70
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$ 3.70
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$ 3.40
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| Stock offering, gross proceeds |
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$ 71,900,000
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$ 59,800,000
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| Stock offering, aggregate fees paid |
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1,300,000
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1,100,000
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| Sale of stock, net proceeds |
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$ 70,600,000
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$ 58,700,000
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| At the Market Offering [Member] | Mustang [Member] | Common Stock [Member] | Founders Agreement [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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576,157
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730,795
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| Shares issued (in percent) |
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2.50%
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| At the Market Offering [Member] | Maximum [Member] | Common Stock [Member] | Cantor Fitzgerald & Co., Oppenheimer & Co., Inc., H.C. Wainwright & Co. Inc., Jones Trading Institutional Services LLC and B. Riley [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, commission rate |
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3.00%
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| Public Offering [Member] | Series A Perpetual Preferred Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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666,666
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555,556
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625,000
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| Stock offering, price per share |
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$ 18.00
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$ 18.00
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$ 20.00
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| Stock offering, gross proceeds |
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$ 13,200,000
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$ 11,500,000
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$ 14,400,000
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| Stock offering, aggregate fees paid |
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$ 1,100,000
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$ 1,100,000
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$ 1,300,000
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| Option to purchase additional number of shares |
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66,666
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83,333
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93,750
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| Public Offering [Member] | Cyprium [Member] | Series A Perpetual Preferred Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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255,400
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| Stock offering, price per share |
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$ 25.00
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| Stock offering, gross proceeds |
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$ 8,000,000.0
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| Stock offering, aggregate fees paid |
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$ 900,000
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| Option to purchase additional number of shares |
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64,600
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| Public Offering [Member] | Cyprium [Member] | Series A Perpetual Preferred Stock [Member] | Annual Dividend [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Preferred Stock, dividend per share |
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$ 2.34375
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| Public Offering [Member] | Cyprium [Member] | Series A Perpetual Preferred Stock [Member] | Monthly Dividend [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Preferred Stock, dividend per share |
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$ 0.19531
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| Public Offering [Member] | Checkpoint [Member] | Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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7,321,429
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| Stock offering, price per share |
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$ 2.80
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$ 2.80
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| Stock offering, gross proceeds |
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$ 20,500,000
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| Stock offering, aggregate fees paid |
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1,600,000
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| Sale of stock, net proceeds |
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$ 18,900,000
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| Public Offering [Member] | Avenue [Member] | Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock offering, number of shares issued |
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1,910,100
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2,238,805
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| Stock offering, price per share |
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$ 1.07
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$ 1.34
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$ 1.07
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$ 1.07
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| Stock offering, gross proceeds |
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$ 2,000,000.0
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$ 3,000,000.0
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|
|
| Sale of stock, net proceeds |
|
|
|
|
|
|
|
|
1,800,000
|
$ 2,600,000
|
|
|
|
|
|
|
|
|
| Shelf Registration Statement [Member] | Common Stock [Member] | Cantor Fitzgerald & Co., Oppenheimer & Co., Inc., H.C. Wainwright & Co. Inc., Jones Trading Institutional Services LLC. B. Riley and Dawson James Securities, Inc [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amount available for future stock offerings |
|
|
|
|
|
|
|
|
$ 17,400,000
|
|
|
|
|
|
|
$ 17,400,000
|
$ 17,400,000
|
|
| Shelf Registration Statement [Member] | Checkpoint [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock offering, commission rate |
|
|
|
|
|
|
|
|
|
|
|
3.00%
|
|
|
|
|
|
|
| Shelf Registration Statement [Member] | Checkpoint [Member] | Common Stock [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock offering, number of shares issued |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
11,899,983
|
5,104,234
|
| Stock offering, price per share |
|
|
|
|
|
|
|
|
$ 3.47
|
|
|
|
|
|
|
$ 3.47
|
$ 3.47
|
$ 2.50
|
| Stock offering, gross proceeds |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 41,300,000
|
$ 12,800,000
|
| Sale of stock, net proceeds |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
40,400,000
|
$ 12,400,000
|
| Amount available for future stock offerings |
|
|
|
|
|
|
|
|
$ 54,600,000
|
|
|
|
|
|
|
$ 54,600,000
|
54,600,000
|
|
| Shelf Registration Statement [Member] | Mustang [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock offering, aggregate offering permitted by the agreement |
|
$ 100,000,000.0
|
|
|
|
|
|
$ 75,000,000.0
|
|
|
|
|
|
|
|
|
200,000,000
|
|
| Stock offering, commission rate |
|
|
|
|
|
|
|
3.00%
|
|
|
|
|
|
|
|
|
|
|
| Amount available for future stock offerings |
|
|
|
|
|
|
|
|
$ 200,000,000
|
|
|
|
|
|
|
$ 200,000,000
|
$ 200,000,000
|
|
| Shelf Registration Statement [Member] | Maximum [Member] | Checkpoint [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock offering, aggregate offering permitted by the agreement |
|
|
|
|
|
|
|
|
|
|
|
$ 100,000,000
|
|
|
|
|
|
|
| Shelf Registration Statement [Member] | Maximum [Member] | Checkpoint [Member] | Common Stock [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock offering, aggregate offering permitted by the agreement |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 100,000,000
|
|
|
|
|
| Stock offering, commission rate |
|
|
|
|
|
|
|
|
|
|
|
|
|
3.00%
|
|
|
|
|
| IPO [Member] | Journey [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock offering, number of shares issued |
3,520,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock offering, price per share |
$ 10.00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock offering, gross proceeds |
$ 35,200,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock offering, aggregate fees paid |
4,600,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sale of stock, net proceeds |
$ 30,600,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|