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11. Preferred Stock (Details Narrative) - USD ($)
$ in Thousands
8 Months Ended 12 Months Ended
Aug. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Accrued dividend   $ 0 $ 20
Common Stock [Member]      
Stock converted, shares issued 1,004,249    
5% Preferred Stock [Member]      
Dividends   30  
Series 2 5% Preferred Stock [Member]      
Dividends   32  
Series 3 5% Preferred Stock [Member]      
Dividends   $ 17