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Outstanding Warrants (Details 1) - Warrants - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Number of outstanding, ending 55 95 95 95
Number of warrants granted 292 227 227  
Number of warrants exercised (332) (227) (227)  
Weighted average exercise price outstanding, ending $ 2.59 $ 2.59 $ 2.59 $ 2.59
Weighted average exercise price granted 0.01 0.01 0.01  
Weighted average exercise price exercised $ 0.32 $ 0.01 $ 0.01  
Weighted average remaining contractual life (in years) outstanding, ending 3 years 11 months 12 days 4 years 11 months 12 days 5 years 11 months 12 days 6 years 11 months 12 days