Stockholders' Equity (Capital Raises) (Narrative) (Details)

v3.24.1

Stockholders' Equity (Capital Raises) (Narrative) (Details)							1 Months Ended							4 Months Ended	12 Months Ended
	May 05, 2023 USD ($)	Feb. 10, 2023 USD ($) item $ / shares shares	Dec. 30, 2022 USD ($)	Dec. 27, 2022 USD ($) $ / shares shares	Dec. 16, 2022 USD ($)	Oct. 11, 2022 USD ($) item $ / shares shares	Nov. 30, 2023 USD ($) item $ / shares shares	Oct. 31, 2023 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) $ / shares shares	Feb. 28, 2023 USD ($)	Jan. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Jul. 31, 2018	Jul. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Jun. 13, 2023 $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares called by warrants | shares							1
Gross proceeds							$ 10,000,000.0
Common Stock, par value | $ / shares												$ 0.001			$ 0.001	$ 0.001
Exercise price of warrants | $ / shares							$ 1.70										$ 8.136
Warrant expiration term							5 years
Number of common stock (in units) | item							1
Number of warrants (in units) | item							1
Sale of stock, net proceeds							$ 8,900,000	$ 10,000,000.0
Proceeds from Issuance of Common Stock															$ 2,041,000	$ 6,053,000
Gain (loss) on common stock warrant liabilities															(4,424,000)	$ (1,129,000)
Aggregate purchase price															$ 22,085,000
Series A Perpetual Preferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred Stock, dividend rate percentage															9.375%
Checkpoint
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants to purchase shares | shares								6,325,354
Exercise price of warrants | $ / shares								$ 4.075
Stock offering, aggregate fees paid								$ 1,100,000
Sale of stock, net proceeds								10,000,000.0
Net proceeds								$ 11,100,000
Checkpoint | Common Stock Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants to purchase shares | shares								6,325,354
Exercise price of warrants | $ / shares								$ 1.51
Checkpoint | Common Stock and Pre-funded Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, aggregate fees paid										$ 800,000
Sale of stock, net proceeds										6,700,000
Proceeds from Issuance of Common Stock										$ 7,500,000
Net proceeds					$ 0
Checkpoint | Series A Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants to purchase shares | shares								6,325,354
Warrant expiration term								5 years
Checkpoint | Series B Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants to purchase shares | shares								6,325,354
Warrant expiration term								24 months
Mustang
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued | shares								920,000
Gross proceeds								$ 4,400,000
Stock offering, aggregate fees paid								$ 500,000
Mustang | Pre-Funded Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants to purchase shares | shares								1,688,236
Stock offering, price per share | $ / shares								$ 1.699
Exercise price of warrants | $ / shares								$ 1.70
Mustang | Unregistered warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants to purchase shares | shares								2,588,236
Exercise price of warrants | $ / shares								$ 1.58
Avenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued | shares						3,636,365
Warrants issued | shares						545,454
Number of shares called by warrants | shares						1
Gross proceeds							$ 3,800,000
Warrant expiration term							5 years
Number of common stock (in units) | item						1	1
Number of warrants (in units) | item						1
Proceeds from Issuance of Common Stock						$ 10,300,000	$ 5,000,000.0
Avenue | InvaGen [Member] | Share repurchase agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares repurchased						100.00%
Purchase price of shares repurchased						$ 3,000,000.0
Avenue | Pre-Funded Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants | $ / shares						$ 0.0001
Unit Price Per Share | $ / shares						3.2999
Avenue | Common Stock and Pre-funded Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unit Price Per Share | $ / shares						$ 3.30
Avenue | Series A Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants | $ / shares							$ 0.3006
Number of common stock (in units) | item							1
Number of warrants (in units) | item							1
Avenue | Series B Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants | $ / shares							$ 0.3006
Warrant expiration term							18 months
Number of common stock (in units) | item							1
Number of warrants (in units) | item							1
Avenue | January 2023 Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares called by warrants | shares											1
Urica | Convertible Class B Preferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares				135,494
Stock offering, price per share | $ / shares				$ 25.00
Stock offering, gross proceeds				$ 3,400,000
Stock offering, aggregate fees paid				$ 500,000
Preferred Stock, dividend rate percentage				8.00%
Maximum | Checkpoint | Common Stock Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants | $ / shares														$ 5.00
Maximum | Mustang
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrant expiration term								5 years 6 months
Minimum | Checkpoint
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants | $ / shares								$ 1.76
Minimum | Checkpoint | Common Stock Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants | $ / shares														$ 2.82
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]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares															200,000	300,000
Stock offering, price per share | $ / shares												22.58			$ 9.61	$ 22.58
Stock offering, gross proceeds															$ 2,200,000	$ 6,200,000
Stock offering, aggregate fees paid															$ 100,000	$ 200,000
At the Market Offering [Member] | Journey
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future issuance | shares															4,900,000
Common Stock, par value | $ / shares															$ 0.0001
At the Market Offering [Member] | Journey | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares															700,000
Stock offering, price per share | $ / shares															$ 6.189
Number of Shares issuable for At-the-Market offering | shares															4,151,297
Stock offering, gross proceeds															$ 4,600,000
Stock offering, aggregate fees paid															$ 100,000
At the Market Offering [Member] | Checkpoint | Common Stock [Member] | Founders Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares															398,660	56,671
Shares issued (in percent)															2.50%
At the Market Offering [Member] | Mustang | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares															100,000	500,000
Stock offering, price per share | $ / shares												$ 12.61			$ 3.15	$ 12.61
Stock offering, gross proceeds															$ 200,000	$ 6,600,000
Stock offering, aggregate fees paid															3,000,000,000	100,000
Sale of stock, net proceeds															$ 200,000	$ 6,500,000
At the Market Offering [Member] | Mustang | Common Stock [Member] | Founders Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares																13,131
Number of Shares issuable for At-the-Market offering | shares															1,297
Shares issued (in percent)																2.50%
At the Market Offering [Member] | Avenue | Common Stock [Member] | Founders Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares															52,419
Number of shares available for future issuance | shares												90,909			415,718	90,909
Shares issued (in percent)															2.50%
Public Offering [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued | shares							5,885,000
Unit Price Per Share | $ / shares							$ 1.70
Public Offering [Member] | Avenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares							16,633,400
Stock offering, price per share | $ / shares							$ 0.3006
Shelf Registration Statement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount available for future stock offerings															$ 100,100,000
Shelf Registration Statement [Member] | Journey
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, aggregate offering permitted by the agreement			$ 150,000,000.0
Shelf Registration Statement [Member] | Checkpoint | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares															532,816
Stock offering, price per share | $ / shares															$ 18.99
Stock offering, gross proceeds															$ 10,100,000
Sale of stock, net proceeds															9,900,000
Shelf Registration Statement [Member] | Mustang
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, aggregate offering permitted by the agreement																$ 200,000,000
Stock offering, commission rate													3.00%
Amount available for future stock offerings															195,600,000
Shelf Registration 2023 Statement [Member] | Checkpoint
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount available for future stock offerings															$ 91,700,000
Shelf Registration 2023 Statement [Member] | Checkpoint | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares															0
Shelf Registration 2023 Statement [Member] | Maximum | Checkpoint
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, aggregate offering permitted by the agreement	$ 150,000,000
Direct Offering [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares		1,100,000
Stock offering, price per share | $ / shares		$ 12.53
Proceeds from Issuance of Common Stock		$ 13,200,000
Percentage of company subsidiaries		3.50%
Number of new operating subsidiaries | item		20
Threshold period of corporate development transaction		5 years
Exercisable period		10 years
Shares Exercisable Fair Market Value Number Of Shares Equivalent | shares		1
Aggregate purchase price							$ 2,900,000
Direct Offering [Member] | Checkpoint
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants | $ / shares								$ 5.00
Sale of stock, net proceeds												$ 6,700,000
Direct Offering [Member] | Checkpoint | Common Stock Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares														9,621,089
Shares issued | shares												950,000
Unit Price Per Share | $ / shares												$ 4.325				$ 4.325
Direct Offering [Member] | Checkpoint | Pre-Funded Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants issued | shares												784,105
Number of shares called by warrants | shares												1				1
Direct Offering [Member] | Checkpoint | Series A Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants to purchase shares | shares												1,734,105				1,734,105
Warrant expiration term												5 years				5 years
Direct Offering [Member] | Checkpoint | Series B Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants to purchase shares | shares												1,734,105				1,734,105
Exercise price of warrants | $ / shares												$ 4.075				$ 4.075
Warrant expiration term												18 months				18 months
Direct Offering [Member] | Checkpoint | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, number of shares issued | shares														6,957,186
Direct Offering [Member] | Checkpoint | Common Stock [Member] | Pre-Funded Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants to purchase shares | shares														2,663,903
Direct Offering [Member] | Checkpoint | Common Stock [Member] | Series A Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrant expiration term														5 years
Direct Offering [Member] | Checkpoint | Common Stock [Member] | Series B Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrant expiration term														18 months
Direct Offering [Member] | Avenue | Common Stock [Member] | January 2023 Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Gross proceeds											$ 3,200,000
Sale of stock, net proceeds											$ 2,800,000
Direct Offering [Member] | Maximum | Checkpoint | Common Stock [Member] | Common Stock Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, price per share | $ / shares														$ 5.25
Direct Offering [Member] | Minimum | Checkpoint | Common Stock [Member] | Common Stock Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, price per share | $ / shares														$ 3.07
Registered Offering | Avenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued | shares											448,000
Share Price | $ / shares											$ 1.55
Registered Offering | Avenue | Pre-Funded Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares called by warrants | shares											1,492,299
Offering price per share | $ / shares											$ 0.001
Exercise price of warrants | $ / shares											$ 0.001
Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares called by warrants | shares							14,600,000
Exercise price of warrants | $ / shares							$ 0.3006
Private Placement | Avenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued | shares									767,085
Share Price | $ / shares									$ 0.717
Proceeds from Issuance of Common Stock									$ 550,000
Aggregate purchase price									$ 550,000
Private Placement | Avenue | January 2023 Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares called by warrants | shares											1,940,299
Offering price per share | $ / shares											$ 0.125
Exercise price of warrants | $ / shares											$ 1.55
Concurrent Private Placement [Member] | Checkpoint | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock offering, gross proceeds														$ 33,600,000
Net proceeds														$ 30,400,000