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Revenues by geographic areas (Details) - USD ($)
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]    
   Asia and rest of world $ 6,293,002 $ 4,812,979
      Total revenues 6,293,002 4,812,979
Americas [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
   Asia and rest of world 4,882,773 3,563,055
      Total revenues 4,882,773 3,563,055
EMEA [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
   Asia and rest of world 697,971 777,580
      Total revenues 697,971 777,580
Asia Pacific [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
   Asia and rest of world 712,258 472,344
      Total revenues $ 712,258 $ 472,344