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Note 2 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

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

		June 30,				December 31,
		2025				2024
Cash and cash equivalents		$	5,344			$	430
Restricted cash included in other assets			477				477
Total cash, cash equivalents, and restricted cash in the condensed consolidated statements of cash flows		$	5,821			$	907

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

		Three Months Ended June 30,								Six Months Ended June 30,
		2025				2024				2025				2024
Numerator for basic and diluted income (loss) per share:
Net loss from continuing operations		$	(1,964	)		$	(2,149	)		$	(5,294	)		$	(4,998	)
Less: Increase to accumulated deficit due to adjustment to Preferred Stock conversion price			—				—				—				380
Net loss from continuing operations attributable to common stockholders		$	(1,964	)		$	(2,149	)		$	(5,294	)		$	(5,378	)
Net income from discontinued operations, net of taxes			42				564				11,042				199
Net (loss) income		$	(1,922	)		$	(1,585	)		$	5,748			$	(5,179	)
Denominator for (loss) income per share:
Weighted average shares outstanding – basic (diluted for net loss)			5,818				1,155				5,564				930
Effect of dilutive Unsecured Convertible Notes			—				—				107				—
Weighted average shares outstanding – diluted for net income			5,818				1,155				5,671				930

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

		As of June 30,
		2025				2024
Common stock equivalent of Series B Non-Voting Convertible Preferred Stock (the “Series B Preferred Stock”)			15				15
Stock options			1				7
Stock warrants			4,329				225
			4,345				247

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