CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2019	Mar. 31, 2018
Current assets:
Cash and cash equivalents	$ 2,036,646	$ 2,689,110
Accounts receivable, net	1,010,443	1,446,982
Contract assets	4,390,832	347,896
Inventories	1,240,315	2,088,485
Other current assets	498,059	450,540
Total current assets	9,176,295	7,023,013
Property, plant and equipment, net	4,860,609	5,202,448
Deferred income taxes	2,004,346	2,046,298
Other noncurrent assets, net	6,233	6,860
Total assets	16,047,483	14,278,619
Current liabilities:
Accounts payable	609,082	345,705
Accrued expenses	753,499	788,084
Contract liabilities	740,947	180,706
Current portion of long-term debt	822,105	766,354
Total current liabilities	2,925,633	2,080,849
Long-term debt, including capital leases	3,410,542	4,185,274
Commitments and contingent liabilities (see Note 14)
Stockholders' Equity:
Common stock - par value $.0001 per share, 90,000,000 shares authorized, 29,234,594 and 28,824,593 shares issued and outstanding at March 31, 2019 and 2018	2,923	2,882
Additional paid in capital	8,693,106	8,561,995
Accumulated other comprehensive income	21,940	24,236
Retained earnings (accumulated deficit)	993,339	(576,617)
Total stockholders' equity	9,711,308	8,012,496
Total liabilities and stockholders' equity	$ 16,047,483	$ 14,278,619