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10. SHAREHOLDERS' EQUITY (Details Narrative) - $ / shares
Mar. 31, 2021
Dec. 31, 2020
Cumulative Convertible Series A Preferred Stock    
Cumulative Convertible Preferred Stock; Shares Authorized 1,000,000 1,000,000
Cumulative Convertible Preferred Stock; Shares Issued 63,750 63,750
Cumulative Convertible Preferred Stock; Shares Outstanding 63,750 63,750
Cumulative Convertible Preferred Stock; Par Value $ 0.01 $ 0.01
Cumulative Convertible Series B Preferred Stock    
Cumulative Convertible Preferred Stock; Shares Authorized 4,000 4,000
Cumulative Convertible Preferred Stock; Shares Issued 0 0
Cumulative Convertible Preferred Stock; Shares Outstanding 0 0
Cumulative Convertible Preferred Stock; Par Value $ 1,000 $ 1,000