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Note 2 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block]

		March 31,				December 31,
		2025				2024
Cash and cash equivalents		$	8,467			$	430
Restricted cash included in other assets			477				477
Total cash, cash equivalents, and restricted cash in the condensed consolidated statements of cash flows		$	8,944			$	907

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended March 31,
		2025				2024
Numerator for basic and diluted income (loss) per share:
Net loss from continuing operations		$	(3,330	)		$	(2,925	)
Less: Increase to accumulated deficit due to adjustment to Preferred Stock conversion price			—				380
Net loss from continuing operations attributable to common stockholders		$	(3,330	)		$	(3,305	)
Net income (loss) from discontinued operations			11,000				(289	)
Net income (loss)		$	7,670			$	(3,594	)
Denominator for income (loss) per share:
Weighted average shares outstanding – basic (diluted for net loss)			5,308				120
Effect of dilutive Unsecured Convertible Notes			107				—
Weighted average shares outstanding – diluted for net income			5,415				120

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

		As of March 31,
		2025				2024
Common stock equivalent of Series B Non-Voting Convertible Preferred Stock (the “Series B Preferred Stock”)			15				103
Common stock equivalent of Series C Non-Voting Convertible Preferred Stock (the “Series C Preferred Stock”)			-				148
Stock options			7				3
Stock warrants			4,754				241
			4,776				495

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Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

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