SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details) |
3 Months Ended |
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Mar. 31, 2022
USD ($)
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| Revenue Recognition | |
| Performance guarantee liabilities | $ 368,699 |
| Accounts receivable, payments term | 30 days |
| X | ||||||||||
- Definition Represents the payments term of accounts receivable. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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