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Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2021
Dec. 31, 2020
Preferred stock, par value $ 0.000001 $ 0.000001
Preferred stock, shares authorized 20,000,000 20,000,000
Preferred stock, shares issued 872,766 872,766
Preferred stock, shares outstanding 872,766 872,766
Common stock, par value $ 1 $ 1
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 16,263,634 10,360,480
Common stock, shares outstanding 16,263,634 10,360,480
Series B Convertible Preferred Stock [Member]    
Preferred stock, par value $ 0.000001 $ 0.000001
Preferred stock, shares authorized 18,000,000 18,000,000
Preferred stock, shares issued 436,017 872,766
Preferred stock, shares outstanding 436,017 872,766
Preferred Stock [Member]    
Preferred stock, par value $ 0.000001 $ 0.000001
Preferred stock, shares authorized 2,000,000 2,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0