ACCRUED EXPENSES (Details) - USD ($)	Dec. 31, 2020	Mar. 31, 2020
ACCRUED EXPENSES
Provision for claims settlement	$ 495,000	$ 495,000
Accrued compensation	316,490	383,555
Provision for contract losses	110,115	285,480
Accrued professional fees	244,703	279,657
Accrued project costs	109,062	76,059
Other	30,739	34,773
Total	$ 1,306,109	$ 1,554,524