SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of deferred income activity (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Accounting Policies [Abstract] | ||
| Deferred income, beginning balance | $ 344,800 | $ 397,000 |
| Recognition of income recorded as deferred income | (245,800) | (157,000) |
| Deferral of income billed | 50,000 | 104,800 |
| Deferred income, ending balance | $ 149,000 | $ 344,800 |