CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2020	Mar. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,802,039	$ 930,856
Accounts receivable, net	916,529	990,300
Contract assets	5,197,463	4,504,621
Raw materials	558,357	561,572
Work-in-process	739,090	656,041
Other current assets	418,890	606,151
Total current assets	9,632,368	8,249,541
Property, plant and equipment, net	4,055,392	4,182,861
Deferred income taxes	2,152,840	2,115,480
Other noncurrent assets, net	21,369	32,600
Total assets	15,861,969	14,580,482
Current liabilities:
Accounts payable	555,979	185,065
Accrued expenses	1,528,531	1,554,524
Contract liabilities	516,337	805,049
Current portion of long-term debt	621,251	109,829
Total current liabilities	3,222,098	2,654,467
Long-term debt	3,231,247	2,456,560
Commitments and contingent liabilities (Note 13)
Stockholders' Equity:
Common stock - par value $.0001 per share, 90,000,000 shares authorized, 29,398,662 and 29,354,594 shares issued and outstanding, at June 30, 2020 and March 31, 2020	2,939	2,935
Additional paid in capital	8,848,558	8,793,062
Accumulated other comprehensive income	21,591	21,688
Retained earnings	535,536	651,770
Total stockholders' equity	9,408,624	9,469,455
Total liabilities and stockholders' equity	$ 15,861,969	$ 14,580,482