Quarterly report pursuant to Section 13 or 15(d)

REVENUE RECOGNITION - Summary of Disaggregation of Revenue by Geographic Location (Details)

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REVENUE RECOGNITION - Summary of Disaggregation of Revenue by Geographic Location (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Disaggregation Of Revenue [Line Items]    
Total revenue $ 4,282,901 $ 4,494,318
North America and Caribbean    
Disaggregation Of Revenue [Line Items]    
Total revenue 2,451,896 3,130,465
Europe, Middle East and Africa    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 1,831,005 $ 1,363,853