SHARE-BASED PAYMENTS - Stock-based Compensation (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
Stock-based compensation expense | $ 3,568,370 | $ 49,932 | $ 3,605,346 | $ 99,864 |
Unrecognized compensation cost related to non-vested stock option | $ 1,298,335 | $ 1,298,335 | ||
Share-based arrangement, non-vested weighted average period | 2 years 8 months 26 days | |||
Sales and Marketing Expense | ||||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
Stock-based compensation expense | $ 523,151 |