CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Prior Warrants And Pre-funded Warrants	At-The-Market Offering	PREFERRED STOCK	COMMON STOCK	COMMON STOCK Prior Warrants And Pre-funded Warrants	COMMON STOCK At-The-Market Offering	ADDITIONAL PAID-IN CAPITAL	ADDITIONAL PAID-IN CAPITAL Prior Warrants And Pre-funded Warrants	ADDITIONAL PAID-IN CAPITAL At-The-Market Offering	ACCUMULATED DEFICIT	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Beginning balance (in shares) at Dec. 31, 2022				15,000
Beginning balance at Dec. 31, 2022				$ 0
Beginning balance (in shares) at Dec. 31, 2022					12,163,673
Beginning balance at Dec. 31, 2022	$ 14,106				$ 1			$ 402,701			$ (388,759)	$ 163
Increase (Decrease) in Shareholders' Equity
Net Loss	(8,439)										(8,439)
Reclassification of Realized Gains on Available-for-Sale Debt Instrument Investments Included in Net Income	0
Unrealized (Loss) Gain on Available-for-Sale Investments	(159)											(159)
Foreign Currency Translation Adjustments	(5)											(5)
Vesting of Restricted Stock Units Issued, net of taxes withheld (in shares)					125,000
Issuance of Common Stock in connection with exercise of Prior Warrant and Pre-Funded Warrants, net of offering costs (in shares)						16,200,990
Issuance of Common Stock in connection with exercise of Prior Warrant and Pre-Funded Warrants, net of offering costs		$ 13,720				$ 2			$ 13,718
Issuance of Common Stock, net of Issuance or Offering Costs / At-the-market offerings (in shares)							640,944
Issuance of Common Stock, net of Issuance or offering Costs / At-the-market offerings			$ 1,136							$ 1,136
Stock-based Compensation	$ 932							932
Ending balance (in shares) at Dec. 31, 2023	15,000			15,000
Ending balance at Dec. 31, 2023	$ 0			$ 0
Ending balance (in shares) at Dec. 31, 2023	29,130,607				29,130,607
Ending balance at Dec. 31, 2023	$ 21,291				$ 3			418,487			(397,198)	(1)
Increase (Decrease) in Shareholders' Equity
Net Loss	(480)										(480)
Reclassification of Realized Gains on Available-for-Sale Debt Instrument Investments Included in Net Income	(25)											(25)
Unrealized (Loss) Gain on Available-for-Sale Investments	85											85
Foreign Currency Translation Adjustments	(5)											(5)
Fair Value of Warrant Related to Debt Financing	247							247
Vesting of Restricted Stock Units Issued, net of taxes withheld (in shares)					201,348
Issuance of Common Stock, net of Issuance or Offering Costs / At-the-market offerings (in shares)							4,718,923
Issuance of Common Stock, net of Issuance or offering Costs / At-the-market offerings			$ 10,172							$ 10,172
Issuance of common stock upon exercise of options (in shares)					6,042
Issuance of common stock upon exercise of options	9							9
Stock-based Compensation	$ 1,292							1,292
Ending balance (in shares) at Dec. 31, 2024	15,000			15,000
Ending balance at Dec. 31, 2024	$ 0			$ 0
Ending balance (in shares) at Dec. 31, 2024	34,056,920				34,056,920
Ending balance at Dec. 31, 2024	$ 32,586				$ 3			$ 430,207			$ (397,678)	$ 54