CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net (loss) income	$ (390,014)	$ 563,122
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation	548,038	558,571
Amortization of debt issue costs	31,280	43,638
Stock based compensation expense	81,667	106,727
Change in contract loss provision	216,039	24,541
Deferred income taxes	(115,092)	177,104
Changes in operating assets and liabilities:
Accounts receivable	257,459	1,299,194
Inventories	(271,767)	(1,004,145)
Contract assets	589,904	(5,912,297)
Other current assets	(296,328)	(14,174)
Other noncurrent assets	(9,419)	(7,245)
Accounts payable	(138,463)	279,893
Accrued expenses	18,282	202,860
Contract liabilities	87,815	3,803,087
Net cash provided by (used in) operating activities	609,401	120,876
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, plant and equipment	(35,225)	(402,880)
Net cash used in investing activities	(35,225)	(402,880)
CASH FLOWS FROM FINANCING ACTIVITIES
Deferred loan costs	(32,209)	0
Repayment of long-term debt	(610,515)	(569,809)
Net cash used in financing activities	(642,724)	(569,809)
Effect of exchange rate on cash and cash equivalents	307	628
Net decrease in cash and cash equivalents	(68,241)	(851,185)
Cash and cash equivalents, beginning of period	2,036,646	2,689,110
Cash and cash equivalents, end of period	1,968,405	1,837,925
Cash paid during the year for:
Interest	187,083	230,310
Income taxes	$ 0	$ 0

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