CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2018	Mar. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,837,925	$ 2,689,110
Accounts receivable, net	147,788	1,446,982
Contract assets	7,968,711	347,896
Inventories	1,980,838	2,088,485
Other current assets	464,714	450,540
Total current assets	12,399,976	7,023,013
Property, plant and equipment, net	5,046,757	5,202,448
Deferred income taxes	2,311,440	2,046,298
Other noncurrent assets, net	7,138	6,860
Total assets	19,765,311	14,278,619
Current liabilities:
Accounts payable	625,598	345,705
Accrued expenses	878,112	788,084
Contract liabilities	4,693,889	180,706
Current portion of long-term debt	807,059	766,354
Total current liabilities	7,004,658	2,080,849
Long-term debt, including capital leases	3,611,430	4,185,274
Commitments and contingent liabilities (see Note 15)
Stockholders' Equity:
Common stock - par value $.0001 per share, 90,000,000 shares authorized, 28,949,593 shares issued and outstanding at December 31, 2018, and 28,824,593 shares issued and outstanding at March 31, 2018	2,895	2,882
Additional paid in capital	8,668,709	8,561,995
Accumulated other comprehensive income	21,834	24,236
Retained earnings (accumulated deficit)	455,785	(576,617)
Total stockholders' equity	9,149,223	8,012,496
Total liabilities and stockholders' equity	$ 19,765,311	$ 14,278,619