CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2018	Mar. 31, 2018
Current assets:
Cash and cash equivalents	$ 2,111,253	$ 2,689,110
Accounts receivable, net	716,408	1,446,982
Contract assets	4,175,499	347,896
Inventories	1,025,211	2,088,485
Other current assets	415,672	450,540
Total current assets	8,444,043	7,023,013
Property, plant and equipment, net	5,078,912	5,202,448
Deferred income taxes	2,423,515	2,046,298
Other noncurrent assets, net	44,144	6,860
Total assets	15,990,614	14,278,619
Current liabilities:
Accounts payable	332,798	345,705
Accrued expenses	752,717	788,084
Contract liabilities	1,458,319	180,706
Current portion of long-term debt	778,991	766,354
Total current liabilities	3,322,825	2,080,849
Long-term debt, including capital leases	3,998,609	4,185,274
Commitments and contingent liabilities (see Note 16)
Stockholders' Equity:
Common stock - par value $.0001 per share, 90,000,000 shares authorized, 28,824,593 shares issued and outstanding at June 30 and March 31, 2018	2,882	2,882
Additional paid in capital	8,586,925	8,561,995
Accumulated other comprehensive income	22,325	24,236
Retained earnings (accumulated deficit)	57,048	(576,617)
Total stockholders' equity	8,669,180	8,012,496
Total liabilities and stockholders' equity	$ 15,990,614	$ 14,278,619