CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 380,693	$ 972,515
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Deferred income tax (benefit) expense	(20,298)	228,185
Depreciation expense	504,798	580,089
(Recovery) provision for doubtful accounts	(24,544)	571
Amortization of intangibles	239,333	251,311
Amortization of deferred financing costs	0	1,667
Share-based compensation expense	426,663	490,868
Changes in assets and liabilities:
Accounts receivable and unbilled receivables	28,567,676	(20,204,950)
Inventories	(110,791)	(295,057)
Prepaid expenses and other current assets	(22,415)	(9,251)
Other assets	27,160	18,334
Accounts payable and accrued expenses	(30,488,525)	19,998,926
Income tax payable	40,017	(16,784)
Deferred revenue and other liabilities	(177,159)	(385,520)
Other liabilities	246,037	0
Net cash (used in) provided by operating activities	(411,355)	1,630,904
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(90,302)	(165,377)
Capitalized hardware and software development costs	(1,159,583)	(519,312)
Net cash used in investing activities	(1,249,885)	(684,689)
CASH FLOWS FROM FINANCING ACTIVITIES
Advances on bank line of credit	0	1,895,659
Repayments of bank line of credit advances	0	(1,895,659)
Principal repayments under finance lease obligations	(285,755)	(291,315)
Withholding taxes paid on behalf of employees on net settled restricted stock awards	(140,865)	0
Common stock repurchased	0	(10,113)
Issuance of common stock/At-the-market offering, net of issuance costs	1,071,045	0
Proceeds from exercise of stock options	10,250	0
Net cash provided by (used in) financing activities	654,675	(301,428)
Net effect of exchange rate on cash and equivalents	(42,812)	(3,689)
NET (DECREASE) INCREASE IN CASH	(1,049,377)	641,098
CASH AND CASH EQUIVALENTS, beginning of period	15,996,749	6,879,627
CASH AND CASH EQUIVALENTS, end of period	14,947,372	7,520,725
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid for interest	140,242	153,609
Cash paid for income taxes	159,335	0
NONCASH INVESTING AND FINANCING ACTIVITIES
Capitalized hardware and software development costs in accounts payable	$ 76,245	$ 0