UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	At-the-Market Offering	PREFERRED STOCK	COMMON STOCK	COMMON STOCK At-the-Market Offering	ADDITIONAL PAID-IN CAPITAL	ADDITIONAL PAID-IN CAPITAL At-the-Market Offering	ACCUMULATED DEFICIT	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Beginning balance (in shares) at Dec. 31, 2023			15,000
Beginning balance at Dec. 31, 2023			$ 0
Beginning balance (in shares) at Dec. 31, 2023				29,130,607
Beginning balance at Dec. 31, 2023	$ 21,291			$ 3		$ 418,487		$ (397,198)	$ (1)
Increase (Decrease) in Shareholders' Equity
Net Loss	(1,731)							(1,731)
Reclassification of Realized Gains on Available-for-Sale Investments	0
Unrealized Gain on Available-for-Sale Investments	25								25
Issuance of common stock, net of offering costs/At-The-Market (in shares)					358,210
Issuance of common stock, net of offering costs/At-The-Market		$ 560					$ 560
Vesting of Restricted Stock Units Issued, net of taxes withheld and cancellations (in shares)				67,657
Issuance of Warrant in connection with the Third Amendment (Note 11)	247					247
Stock-based Compensation	$ 251					251
Ending balance (in shares) at Mar. 31, 2024			15,000
Ending balance at Mar. 31, 2024			$ 0
Ending balance (in shares) at Mar. 31, 2024	29,556,474			29,556,474
Ending balance at Mar. 31, 2024	$ 20,643			$ 3		419,545		(398,929)	24
Beginning balance (in shares) at Dec. 31, 2024	15,000		15,000
Beginning balance at Dec. 31, 2024	$ 0		$ 0
Beginning balance (in shares) at Dec. 31, 2024	34,056,920			34,056,920
Beginning balance at Dec. 31, 2024	$ 32,586			$ 3		430,207		(397,678)	54
Increase (Decrease) in Shareholders' Equity
Net Loss	(1,515)							(1,515)
Reclassification of Realized Gains on Available-for-Sale Investments	(56)								(56)
Unrealized Gain on Available-for-Sale Investments	62								62
Issuance of common stock, net of offering costs/At-The-Market (in shares)					0
Vesting of Restricted Stock Units Issued, net of taxes withheld and cancellations (in shares)				200,983
Stock-based Compensation	$ 445					445
Ending balance (in shares) at Mar. 31, 2025	15,000		15,000
Ending balance at Mar. 31, 2025	$ 0		$ 0
Ending balance (in shares) at Mar. 31, 2025	34,257,903			34,257,903
Ending balance at Mar. 31, 2025	$ 31,522			$ 3		$ 430,652		$ (399,193)	$ 60