OTHER ASSETS: - Additional information (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| OTHER ASSETS: | |||
| 2022 | $ 192,000 | ||
| 2023 | 189,000 | ||
| 2024 | 189,000 | ||
| 2025 | 189,000 | ||
| 2026 | 188,000 | ||
| Amortization expense | $ 160,422 | $ 106,842 | $ 85,804 |