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Note 23 - Share-based Compensation Expenses (Details Textual) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
May 31, 2021
Mar. 31, 2021
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2022
Dec. 31, 2021
Share-based Payment Arrangement, Expense       $ 6,757 $ 68 $ 6,857 $ 1,987    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total       210   210      
Forecast [Member]                  
Share-based Payment Arrangement, Expense               $ 40 $ 170
Restricted Stock [Member] | Management Consulting and Advisory Service Providers [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)     430            
Share-based Payment Arrangement, Expense         $ 60   $ 80    
Shares Issued, Price Per Share (in dollars per share)         $ 1.11   $ 1.11    
Management Consulting and Advisory Service Term (Year)     2 years            
Issuance of Stock and Warrants for Services or Claims             $ 480    
The 2020 Omnibus Securities and Incentive Plan, Second Issuance [Member] | Restricted Stock [Member] | Independent Director [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 3,990                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 1.67                
Share-based Payment Arrangement, Expense       6,660   6,660      
The 2020 Omnibus Securities and Incentive Plan [Member] | Restricted Stock [Member]                  
Share-based Payment Arrangement, Expense       80   150      
The 2020 Omnibus Securities and Incentive Plan [Member] | Restricted Stock [Member] | Independent Director [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)   30              
Share-based Payment Arrangement, Expense       $ 20   $ 50      
Shares Issued, Price Per Share (in dollars per share)   $ 3.13              
The 2015 Omnibus Securities and Incentive Plan [Member] | Restricted Stock [Member] | Management and Employees [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)             1,630    
Share-based Payment Arrangement, Expense         $ 10   $ 1,910