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Note 22 - Share-based Compensation Expenses (Details Textual) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2023	Dec. 31, 2022
Share-Based Payment Arrangement, Expense		$ 28,000	$ 6,757,000	$ 84,000	$ 6,857,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		0.16		0.16
Forecast [Member]
Share-Based Payment Arrangement, Expense						$ 0.06	$ 0.10
Independent Director [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)	0.095
Share-Based Payment Arrangement, Expense		20,000.00		$ 30,000.00
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)				400,000
Share-Based Payment Arrangement, Expense		$ 0.01
Shares Issued, Price Per Share (in dollars per share)		$ 0.35		$ 0.35
Issuance of Stock and Warrants for Services or Claims				$ 0.14
Consulting and Advisory Service Providers [Member] \| Restricted Stock [Member]
Share-Based Payment Arrangement, Expense				$ 40,000.00