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CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Class of Stock [Line Items]    
Preferred Stock Par Or Stated Value Per Share $ 0.001 $ 0.001
Preferred Shares Authorized 10,000,000 10,000,000
Preferred Shares Issued 0 0
Preferred Shares Outstanding 0 0
Preferred Stock Value $ 0 $ 0
Common Stock Shares Outstanding 11,672,431  
Common Stock Value Outstanding $ 11,673 $ 11,673
Class A Common Stock [Member]    
Class of Stock [Line Items]    
Common Stock Par Or Stated Value Per Share $ 0.001 $ 0.001
Common Stock Shares Authorized 98,000,000 98,000,000
Common Stock Shares Issued 11,608,555 11,608,555
Common Stock Shares Outstanding 11,608,555 11,608,555
Class B Common Stock [Member]    
Class of Stock [Line Items]    
Common Stock Par Or Stated Value Per Share $ 0.001 $ 0.001
Common Stock Shares Authorized 1,000,000 1,000,000
Common Stock Shares Issued 31,938 31,938
Common Stock Shares Outstanding 31,938 31,938
Common Stock Value Outstanding $ 32 $ 32
Class C Common Stock [Member]    
Class of Stock [Line Items]    
Common Stock Par Or Stated Value Per Share $ 0.001 $ 0.001
Common Stock Shares Authorized 1,000,000 1,000,000
Common Stock Shares Issued 31,938 31,938
Common Stock Shares Outstanding 31,938 31,938
Common Stock Value Outstanding $ 32 $ 32
Preferred Undesignated [Member]    
Class of Stock [Line Items]    
Preferred Stock Par Or Stated Value Per Share $ 0.001 $ 0.001
Preferred Shares Authorized 9,900,000 9,900,000
Preferred Shares Issued 0 0
Preferred Shares Outstanding 0 0
Series A Preferred Stock [Member]    
Class of Stock [Line Items]    
Preferred Stock Par Or Stated Value Per Share $ 0.001 $ 0.001
Preferred Shares Authorized 100,000 100,000
Preferred Shares Issued 0 0
Preferred Shares Outstanding 0 0