LEASES - Maturities of Lease Liabilities (Details) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2022 |
Dec. 31, 2021 |
|
| Lessee, Operating Lease, Liability, Payment, Due [Abstract] | ||
| 2022 | $ 9,950 | $ 9,650 |
| 2023 | 10,250 | 9,950 |
| 2024 | 10,550 | 10,250 |
| 2025 | 10,850 | 10,550 |
| Thereafter | 20,650 | 31,500 |
| Total lease payments | 69,500 | 71,900 |
| Less: Imputed interest at 11% | (20,749) | (22,109) |
| Present value of lease liabilities | $ 48,751 | $ 49,791 |
| Imputed interest | 11.00% | 11.00% |