REVENUE - Additional information (Details) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2021
USD ($)
item
|
Dec. 31, 2020
USD ($)
|
|
| Number of primary revenue streams | item | 2 | |
| Term of customer contracts | 3 years | |
| Value of free of charge goods and credit rebates | $ 303,824 | $ 286,301 |
| Contract liabilities net of Value of free of charge goods and credit rebates | $ 1,947,353 | $ 728,351 |
| Maximum | ||
| Term of customer contracts | 5 years | |
| Minimum | ||
| Term of customer contracts | 1 year |