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Stock Warrants - summary of all warrant activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Stock Warrants.    
Number of Warrants, Beginning balance 634,497 1,800,072
Number of Warrants, Exercised   (1,165,575)
Number of Warrants, Forfeited (71)  
Number of Warrants, Ending balance 634,426 634,497
Weighted Average Exercise Price, Beginning balance $ 1.24 $ 1.24
Weighted Average Exercise Price, Exercised   1.24
Weighted Average Exercise Price, Forfeited 182  
Weighted Average Exercise Price, Ending balance $ 1.22 $ 1.24