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Note 22 - Share-based Compensation Expenses (Details Textual) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended			12 Months Ended
	Jan. 18, 2023	Apr. 30, 2023 shares	Jun. 30, 2022 USD ($) $ / shares shares	May 31, 2022 shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Share-Based Payment Arrangement, Expense					$ 108	$ 186
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount						60
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	5
Executive Officer [Member] \| Restricted Stock [Member] \| The 2020 Omnibus Securities and Incentive Plan, Second Issuance [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) \| shares		30
Share-Based Payment Arrangement, Expense					50
Management Consulting and Advisory Service Providers [Member] \| Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) \| shares			80
Share-Based Payment Arrangement, Expense					$ 60	80
Shares Issued, Price Per Share (in dollars per share) \| $ / shares			$ 1.75
Issuance of Stock and Warrants for Services or Claims			$ 140
Management and Employees [Member] \| Restricted Stock [Member] \| The 2020 Omnibus Securities and Incentive Plan, Second Issuance [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) \| shares				19
Share-Based Payment Arrangement, Expense						$ 60