CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net (loss) income	$ (392,897)	$ 585,424
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Deferred income tax benefit	0	(20,303)
Depreciation expense	265,185	250,899
(Recovery) provision for doubtful accounts	0	(209)
Amortization of intangibles	286,653	119,083
Share-based compensation expense	179,741	182,842
Warrants expense	108,000	0
Change in fair value of contingent consideration	301,000	0
Changes in assets and liabilities:
Accounts receivable and unbilled receivables	4,413,557	20,467,818
Inventories	104,365	332,201
Other current assets	311,218	(266,393)
Other assets	1,112	0
Accounts payable and accrued expenses	(1,509,330)	(20,897,329)
Income tax payable	7,111	30,567
Deferred revenue and other liabilities	(369,633)	(75,693)
Other liabilities	278,655	246,037
Net cash provided by operating activities	2,825,426	954,944
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(203,274)	(71,292)
Capitalized hardware and software development costs	780,599	569,947
Net cash used in investing activities	(983,873)	(641,239)
CASH FLOWS FROM FINANCING ACTIVITIES
Principal repayments under finance lease obligations	(147,405)	(143,916)
Withholding taxes paid on behalf of employees on net settled restricted stock awards	(49,224)	(140,894)
Common stock repurchased	(818,211)	0
Issuance of common stock/At-the-market offering, net of issuance costs	0	1,088,398
Proceeds from exercise of stock options	0	10,250
Net cash (used in) provided by financing activities	(1,014,840)	813,838
Net effect of exchange rate on cash and equivalents	(38,950)	(65,929)
NET INCREASE IN CASH AND CASH EQUIVALENTS	787,763	1,061,614
CASH AND CASH EQUIVALENTS, beginning of period	6,479,980	15,996,749
CASH AND CASH EQUIVALENTS, end of period	7,267,743	17,058,363
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid for interest	63,521	70,951
Cash paid for income taxes	27,559	0
NONCASH INVESTING AND FINANCING ACTIVITIES
Capitalized hardware and software development costs in accounts payable	213,770	0
Leased assets and lease liabilities terminated	$ 876,281	$ 0