Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net (loss) income	$ (4,045)	$ 10,219
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	17	21
Stock-based compensation	72	251
Non-cash lease expense	112	101
Loss (gain) on debt extinguishment	22	(14,520)
Unrealized loss (gain) on foreign exchange rate changes	122	(209)
Change in fair value of derivative liabilities	(188)	0
Change in fair value of senior secured notes	124	0
Change in fair value of warrant liability	(134)	(0)
Prepaid expenses and other current assets	373	270
Accounts payable	1,231	880
Accrued expenses	10	328
Operating lease liabilities	(123)	(113)
Other current liabilities	0	(175)
Net cash used in operating activities	(2,407)	(2,947)
Cash flows from financing activities:
Proceeds from exercise of common stock warrants	312	0
Redemptions of Series C preferred stock	(483)	0
Cash dividend payments on Series C preferred stock	(90)	0
Principal payments on loans payable	(166)	(233)
Payments on debt extinguishment	0	(100)
Net cash provided by financing activities	1,801	1,034
Net decrease in cash, cash equivalents, and restricted cash	(606)	(1,913)
Cash, cash equivalents, and restricted cash - beginning of period	1,788	4,469
Cash, cash equivalents, and restricted cash - end of period	1,182	2,556
Supplementary disclosure of non-cash activity:
Conversions of Series C preferred stock	2,863
Deemed dividends on Series C preferred stock	782
Stock Issued	0	280
Settlement of common stock warrant liability	9	0
Series C Preferred Stock [Member]
Supplementary disclosure of non-cash activity:
Conversions of Series C preferred stock	2,863	0
Deemed dividends on Series C preferred stock	782	0
March 2025 Senior Secured Notes [Member]
Cash flows from financing activities:
Proceeds from March 2025 senior secured notes	250	0
Supplementary disclosure of non-cash activity:
Fair value upon issuance of March 2025 senior secured notes	374	0
ELOC Purchase Agreement [Member]
Cash flows from financing activities:
Proceeds from ELOC Purchase Agreement, net of issuance costs	1,978	0
Supplementary disclosure of non-cash activity:
Stock Issued	476	0
ATM Program [Member]
Cash flows from financing activities:
Proceeds from ATM Program, net of issuance costs	$ 0	$ 1,367