REVENUE - Contract assets and contract liabilities (Details) - USD ($) |
Jun. 30, 2023 |
Mar. 31, 2023 |
|---|---|---|
| REVENUE | ||
| Contract assets | $ 8,651,343 | $ 8,947,811 |
| Unbilled | ||
| REVENUE | ||
| Contract assets | 19,914,513 | 19,485,914 |
| Progress Payments | ||
| REVENUE | ||
| Contract assets | $ (11,263,170) | $ (10,538,103) |