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Condensed Consolidated Statements of Equity (Parenthetical) - $ / shares
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2019
Condensed Consolidated Statements of Equity    
Common stock for services per share issue one $ 1.90 $ 1.03
Common stock for services per share issue three 3.80  
Common stock for services per share issue four 1.21  
Shares issued upon exercise of options one (per share) 1.80  
Shares issued for services - per share $ 2.33