CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 245,999	$ 106,358
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	978,517	521,422
Amortization of debt issue costs	34,588	45,099
Stock based compensation expense	141,176	146,417
Change in contract loss provision	(66,232)	(175,365)
Deferred income taxes	(386,413)	60,573
PPP loan forgiveness	(1,317,100)
Changes in operating assets and liabilities:
Accounts receivable	(575,181)	(183,076)
Contract assets	(871,339)	(810,032)
Inventories	477,936	19,129
Other current assets	215,334	164,127
Other noncurrent assets	(50,633)	38,092
Accounts payable	(611,045)	325,369
Accrued expenses	(1,282,269)	(101,028)
Contract liabilities	1,418,010	(496,691)
Net cash used in operating activities	(1,648,652)	(339,606)
CASH FLOWS FROM INVESTING ACTIVITIES:
Business acquisition, net of cash acquired	(7,795,810)
Purchases of property, plant and equipment	(436,531)	(546,890)
Net cash used in investing activities	(8,232,341)	(546,890)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from term loan	4,000,000
Closing costs related to common stock sale	(335,419)
Proceeds from sale of common stock	3,523,000
Debt issue costs	(116,511)	(24,610)
Proceeds from payroll protection program loan		1,317,100
Revolver loan borrowings	2,553,221	1,000,000
Revolver loan repayments	(575,000)	(1,000,000)
Principal payments for leases	(493,015)
Repayments long-term debt	(243,510)	(81,352)
Net cash provided by financing activities	8,312,766	1,211,138
Effect of exchange rate on cash and cash equivalents	(25)	(178)
Net (decrease) increase in cash and cash equivalents	(1,568,252)	324,464
Cash and cash equivalents, beginning of period	2,130,711	930,856
Cash and cash equivalents, end of period	562,459	1,255,320
SUPPLEMENTAL DISCLOSURES OF CASH FLOWS INFORMATION:
Cash paid for interest, net of amounts capitalized	$ 152,498	$ 106,342