Consolidated Statement of Cash Flow (Unaudited) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Cash Flows from Operating Activities
Net Income	$ 1,065,875	$ 3,143,417	$ 5,653,298
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	932,003	724,641
Unrealized gain on investments in equity securities	(174,885)	(233,644)
Forgiveness of PPP loan	0	(1,453,837)
Non-cash share-based compensation expense	898,307	329,628
Changes in assets and liabilities:
Decrease (Increase) in accounts receivable	(4,506,870)	(967,662)
Decrease (Increase) in inventories	1,184,341	(319,455)
Decrease (Increase) in contract assets	(122,410)	(165,696)
Decrease (Increase) in prepaid expenses & other assets	(142,314)	268,510
Increase (Decrease) in accounts payable	(1,144,315)	633,307
Increase (Decrease) in accrued expenses	187,137	912,024
Increase (Decrease) in unearned revenue	1,561,228	(142,261)
Total adjustments	960,852	(1,681,059)
Net Cash Provided by Operating Activities	2,026,727	1,462,358
Cash Flows from Investing Activities
Cash paid for business acquisitions	(4,203,734)	(7,081,277)
Sale of equity securities	0	123,069
Capital expenditures	(151,436)	(827,184)
Net Cash (Used in) Investing Activities	(4,355,170)	(7,785,392)
Cash Flows from Financing Activities
Payments on notes	(732,691)	(562,500)
Payments on bank debt	(933,333)	(1,352,833)
Borrowings on bank debt	5,963,975	6,926,301
Share repurchase	(65,709)	(41,033)
Net Cash Provided by Financing Activities	4,232,242	4,969,935
Net Increase (decrease) in cash and cash equivalents	1,903,799	(1,353,099)
Cash and cash equivalents at beginning of period	1,494,415	6,194,276	6,194,276
Cash and cash equivalents at end of period	3,398,214	4,841,177	$ 1,494,415
Supplemental disclosures of cash flow information
Interest Paid	202,777	153,995
Supplemental disclosures of noncash financing activity
Issuance of Class A common shares in business acquisition	0	1,059,000
Paycheck Protection Program CARES Act [Member]
Supplemental disclosures of noncash financing activity
Forgiveness of PPP loan	$ 0	$ 1,453,837

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