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

v3.25.1

Stockholders' Equity (Capital Raises) (Narrative) (Details) - USD ($)						1 Months Ended									12 Months Ended
	Jun. 12, 2024	Jan. 05, 2024	May 05, 2023	Dec. 30, 2022	Apr. 23, 2021	Nov. 30, 2024	Oct. 31, 2024	Sep. 30, 2024	Jul. 31, 2024	Jun. 30, 2024	May 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2023	Dec. 31, 2024	Dec. 31, 2023	Jan. 09, 2024	Nov. 02, 2023	Oct. 31, 2023	Oct. 11, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Gross proceeds								$ 7,300,000
Common Stock, par value															$ 0.001	$ 0.001
Warrants exercised, Number of shares															107,500
Exercise of warrants for cash															$ 181,000	$ 382,000
Stock-based compensation expense															32,619,000	17,029,000
Net proceeds from private placement															3,734,000	2,041,000
November 2023 Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise price of warrants								$ 1.65
Unit Price Per Share								$ 1.7
Number of warrants issued								5,885,000
Private Placement Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise price of warrants								$ 1.84
Concurrent Private Placement Warrants | Chief Executive Officer (Dr. Rosenwald)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares issued								763,359
Shares issued, price per share								$ 1.84
Journey
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense															6,098,000	2,606,000
Checkpoint
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense															15,252,000	2,897,000
Checkpoint | Common Stock Warrant
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise price of warrants																			$ 1.76
Mustang
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares							337,552
Exercise price of warrants							$ 11.85
Stock offering, aggregate fees paid							$ 400,000
Exercise of warrants for cash							$ 3,600,000
Stock-based compensation expense															(450,000)	567,000
Mustang | Unregistered warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares							675,104
Exercise price of warrants							$ 13.5
Mustang | Unregistered Warrants One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares							337,552
Warrant expiration term							5 years
Mustang | Unregistered Warrants Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares							337,552
Warrant expiration term							12 months
Avenue
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares												689,680
Exercise price of warrants												$ 6.2								$ 116.25
Stock-based compensation expense															$ 1,236,000	907,000
Avenue | Series A Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, price per share																		$ 22.545
Avenue | Series B Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, price per share																	$ 22.545
Avenue | Unregistered warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares												1,379,360
Stock offering, price per share												$ 0.125
Exercise price of warrants												$ 6.2
Net proceeds											$ 3,900,000	$ 3,700,000
Fair value of warrants												$ 4,500,000
2012 Employee Stock Purchase Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares available for future issuance															1,000,000
Stock-based compensation expense															$ 100,000	100,000
Long term Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense															$ 6,700,000	$ 5,800,000
Maximum [Member] | Private Placement Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares called by warrants								3,939,394
Warrant expiration term								5 years 6 months
Maximum [Member] | Concurrent Private Placement Warrants | Chief Executive Officer (Dr. Rosenwald)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares called by warrants								763,359
Warrant expiration term								5 years 6 months
Maximum [Member] | Avenue
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrant expiration term												5 years
Minimum [Member] | Concurrent Private Placement Warrants | Chief Executive Officer (Dr. Rosenwald)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrant expiration term								6 months
Minimum [Member] | Avenue
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrant expiration term												18 months
At the Market Offering
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, number of shares issued															2,000,000	200,000
Stock offering, price per share															$ 1.98	$ 9.61
Stock offering, aggregate fees paid															$ 100,000	$ 100,000
Net proceeds from private placement															$ 3,800,000	$ 2,200,000
At the Market Offering | Journey
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, number of shares issued				4,900,000											1,600,000
Stock offering, price per share															$ 5.19
Common Stock, par value				$ 0.0001
Number of Shares issuable for At-the-Market offering															2,586,987
Stock offering, aggregate fees paid															$ 200,000
Sale of stock, net proceeds															$ 7,900,000
At the Market Offering | Mustang
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, number of shares issued															100,000	1,000
Stock offering, price per share															$ 18.78	$ 158.07
Sale of stock, net proceeds															$ 2,500,000	$ 200,000
At the Market Offering | Mustang | Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, aggregate fees paid															$ 100,000
At the Market Offering | Avenue | Founders Agreement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, number of shares issued															43,772
Shares issued (in percent)															2.50%
At the Market Offering | Avenue | Unregistered warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares															600,000
Net proceeds															$ 1,600,000
At the Market Offering | Founders Agreement | Mustang | Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares issued (in percent)															2.50%
Public Offering | Mustang
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, number of shares issued											23,200
Number of warrants to purchase shares											1,012,656
Stock offering, price per share											$ 11.85
Exercise price of warrants											$ 11.85
Warrants exercised, Number of shares											314,352
Exercise of warrants for cash											$ 3,200,000
Public Offering | Mustang | Series A One Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrant expiration term											5 years
Public Offering | Mustang | Series A Two Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrant expiration term											24 months
Public Offering | Mustang | Series A Three Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrant expiration term											9 months
Public Offering | Mustang | Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, number of shares issued											337,552
Shelf Registration Statement [Member] | Journey
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Sale of stock, net proceeds				$ 150,000,000
Shelf Registration 2023 Statement | Checkpoint
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Amount available for future stock offerings															$ 65,700,000
Shelf Registration 2023 Statement | Maximum [Member] | Checkpoint
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, aggregate offering permitted by the agreement			$ 150,000,000
Shelf Registration 2024 Statement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Amount available for future stock offerings															43,100,000
Shelf Registration 2024 Statement | Mustang
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, aggregate offering permitted by the agreement															34,800,000
Shelf Registration 2024 Statement | Maximum [Member] | Mustang
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, aggregate offering permitted by the agreement	$ 40,000,000
Shelf Registration 2021 Statement | Mustang
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, aggregate offering permitted by the agreement					$ 200,000,000										4,400,000
Shelf Registration 2021 Statement | Avenue
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Amount available for future stock offerings															$ 2,200,000
Direct offering
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, number of shares issued								3,939,394					3,303,305
Shares issued, price per share								$ 1.65
Exercise price of warrants													$ 3.21
Unit Price Per Share													$ 3.33
Warrant expiration term													5 years
Sale of stock, net proceeds													$ 10,100,000
Direct offering | Checkpoint
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Issuance of common shares - Registered direct offering									1,230,000				1,275,000
Stock offering, price per share									$ 2.05				$ 1.805
Sale of stock, net proceeds									$ 11,000,000				$ 12,600,000
Direct offering | Checkpoint | Common Stock Warrant
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise price of warrants									$ 2.05				$ 1.68
Warrant expiration term									5 years				5 years
Direct offering | Checkpoint | Pre funded warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrants issued									4,623,659				6,481,233
Stock offering, price per share									$ 2.0499				$ 1.8049
Direct offering | Checkpoint | Placement Agent Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares called by warrants									351,220
Exercise price of warrants									$ 2.5625				$ 2.2563
Direct offering | Checkpoint | Series B Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares						3,256,269
Exercise price of warrants						$ 2.821
Exercise of warrants for cash						$ 9,200,000
Direct offering | Mustang
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock offering, number of shares issued										60,500					23,450
Number of warrants to purchase shares										62,100
Stock offering, price per share										$ 20.495
Per share amount reduced from share price to calculate warrant price										0
Exercise price of warrants										$ 0.005
Warrants exercised, Number of shares										62,100
Sale of stock, net proceeds										$ 2,100,000
Direct offering | Mustang | Unregistered warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares										62,100
Exercise price of warrants										$ 20.495
Direct offering | Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares													3,303,305
Direct offering | Maximum [Member] | Checkpoint
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares called by warrants									5,853,659
Number of warrants to purchase shares													7,756,233
Direct offering | Maximum [Member] | Checkpoint | Placement Agent Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares													465,374
Private Placement | Avenue
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares issued														10,227
Exercise of warrants for cash		$ 4,500,000
Net proceeds from private placement														$ 550,000
Private Placement | Avenue | Series A Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares		220,538
Private Placement | Avenue | Series B Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares		220,538
Private Placement | Avenue | January 2023 Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares		25,871
Exercise price of warrants		$ 116.25
Exercise price of warrants agreed by investor		$ 22.545
Fair value of warrants															$ 600,000
Private Placement | Avenue | November 2023 Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants to purchase shares		194,667
Exercise price of warrants		$ 22.545
Exercise price of warrants agreed by investor		$ 22.545
Fair value of warrants															$ 4,300,000
Concurrent Private Placement | Chief Executive Officer (Dr. Rosenwald)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares issued, price per share								1.84
Exercise price of warrants								$ 0.125