Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) - USD ($) $ in Thousands	Total	Series F Preferred Stock	Stock options and Restricted Stock Units	Employee Stock Purchase Plan	Preferred Stock	Common Stock	Common Stock Series F Preferred Stock	Additional Paid in Capital	Additional Paid in Capital Series F Preferred Stock	Additional Paid in Capital Stock options and Restricted Stock Units	Additional Paid in Capital Employee Stock Purchase Plan	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2024					14,192	33,061,002
Beginning balance at Dec. 31, 2024	$ 68,746				$ 0	$ 331		$ 599,881				$ (531,548)	$ 82
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation expense for issuance of stock options			$ 6,813	$ 50						$ 6,813	$ 50
Issuance of common stock with the Employee Stock Purchase Plan (in shares)						35,513
Issuance of common stock with the Employee Stock Purchase Plan	238							238
Warrant Exercise - Series F (in shares)							238,500
Warrant Exercise - Series F		$ 2,385					$ 2		$ 2,383
Stock Option Exercise (in shares)						101,597
Stock Option Exercise	630					$ 1		629
Net income (loss)	1,069											1,069
Unrealized gain on investment adjustments	239												239
Foreign currency translation adjustments	60												60
Ending balance (in shares) at Mar. 31, 2025					14,192	33,436,612
Ending balance at Mar. 31, 2025	80,230				$ 0	$ 334		609,994				(530,479)	381
Beginning balance (in shares) at Dec. 31, 2025					14,192	34,691,671
Beginning balance at Dec. 31, 2025	111,219				$ 0	$ 347		639,145				(528,848)	575
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation expense for issuance of stock options			$ 4,876	$ 70						$ 4,876	$ 70
Issuance of common stock with the Employee Stock Purchase Plan (in shares)						46,008
Issuance of common stock with the Employee Stock Purchase Plan	$ 389							389
Stock Option Exercise (in shares)	43,431					43,431
Stock Option Exercise	$ 230							230
Repurchase and retirement of common stock (in shares)						(316,023)
Repurchase and retirement of common stock	(3,000)					$ (3)		(2,997)
Net income (loss)	(1,070)											(1,070)
Unrealized gain on investment adjustments	45												45
Foreign currency translation adjustments	(49)												(49)
Ending balance (in shares) at Mar. 31, 2026					14,192	34,465,087
Ending balance at Mar. 31, 2026	$ 112,710				$ 0	$ 344		$ 641,713				$ (529,918)	$ 571