Consolidated Statements of Stockholder's Equity - USD ($)	Common Stock Series C convertible preferred stock	Common Stock Series D convertible preferred stock	Common Stock	Additional Paid-in Capital Series C convertible preferred stock	Additional Paid-in Capital Series D convertible preferred stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive income	Treasury Stock	Series C convertible preferred stock	Series D convertible preferred stock	Total
Balance at Dec. 31, 2023			$ 1,000			$ 346,536,000	$ (309,318,000)	$ 32,000	$ (288,000)			$ 36,963,000
Balance (in shares) at Dec. 31, 2023			715,028
Stock-based compensation						671,000						671,000
Stock issued under "at-the-market" offering			$ 1,000			3,602,000						3,603,000
Stock issued under "at-the-market" offering (in shares)			569,282
Issuance of Common Stock and Warrants, net of issuance costs			$ 1,000			1,959,000						1,960,000
Issuance of Common Stock and Warrants, net of issuance costs ( in shares)			918,600
Preferred Stock conversion to Common				$ 2,005,000	$ 728,000					$ 2,005,000	$ 728,000
Preferred Stock conversion to Common (in shares)	72,132	26,230
Conversion of Pre-Funded Warrants to Common (in shares)			509,987
Foreign currency exchange gain (loss)								(1,210,000)				(1,210,000)
Net loss							(25,653,000)					(25,653,000)
Balance at Dec. 31, 2024			$ 3,000			355,501,000	(334,971,000)	(1,178,000)	(288,000)			19,067,000
Balance (in shares) at Dec. 31, 2024			2,811,259
Stock-based compensation						654,000						654,000
Stock issued under "at-the-market" offering			$ 18,000			6,815,000						6,833,000
Stock issued under "at-the-market" offering (in shares)			17,998,117
Issuance of Common Stock and Warrants, net of issuance costs			$ 2,000			6,688,000						6,690,000
Issuance of Common Stock and Warrants, net of issuance costs ( in shares)			1,990,900
Warrant Inducement, net of issuance costs			$ 8,000			3,933,000						3,941,000
Warrant Inducement, net of issuance costs (in shares)			8,092,280
Conversion of Pre-Funded Warrants to Common			$ 3,000			1,000						4,000
Conversion of Pre-Funded Warrants to Common (in shares)			4,824,603
Foreign currency exchange gain (loss)								1,933,000				1,933,000
Net loss							(23,739,000)					(23,739,000)
Balance at Dec. 31, 2025			$ 34,000			$ 373,592,000	$ (358,710,000)	$ 755,000	$ (288,000)			$ 15,383,000
Balance (in shares) at Dec. 31, 2025			35,717,159