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Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares
 3 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Condensed Consolidated Statements of Stockholders' Equity            
Common stock for services per share issue one $ 1.03 $ 1.03 $ 1.03 $ 1.44 $ 1.44 $ 1.44
Shares issued upon exercise of options one (per share)   1.90        
Shares issued upon exercise of options one (per share)   $ 0.89        
Exercised options one (per share) 1.00          
Exercised options two (per share) 0.89          
Secondary offering, price per share $ 2.00