CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($)	Jun. 30, 2021	Mar. 31, 2021
Current assets:
Cash and cash equivalents	$ 2,236,375	$ 2,130,711
Accounts receivable	1,155,403	608,059
Contract assets	4,815,808	5,532,408
Raw materials	472,486	503,636
Work-in-process	559,658	767,520
Other current assets	375,830	379,437
Total current assets	9,615,560	9,921,771
Property, plant and equipment, net	3,884,729	4,063,209
Deferred income taxes	1,907,835	1,934,415
Other noncurrent assets, net	82,596	84,624
Total assets	15,490,720	16,004,019
Current liabilities:
Accounts payable	169,769	500,848
Accrued expenses	1,066,671	1,526,270
Contract liabilities	428,367	218,152
Current portion of long-term debt	2,449,979	2,474,963
Total current liabilities	4,114,786	4,720,233
Long-term debt, net	29,452	1,341,938
Commitments and contingent liabilities (Note 14)
Stockholders' Equity:
Common stock - par value $.0001 per share, 90,000,000 shares authorized, 29,498,662 shares issued and outstanding, at June 30, 2021 and March 31, 2021	2,949	2,949
Additional paid in capital	8,978,160	8,944,660
Accumulated other comprehensive income	21,880	21,838
Retained earnings	2,343,493	972,401
Total stockholders' equity	11,346,482	9,941,848
Total liabilities and stockholders' equity	$ 15,490,720	$ 16,004,019