CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 384,101	$ (462,173)
Adjustments to reconcile net loss to net cash used in operating activities:
Deferred income tax expense	34,652	0
Depreciation expense	273,923	131,065
Provision for doubtful accounts	7,610	(5,766)
Amortization of intangibles	198,816	262,300
Amortization of deferred financing costs	1,250	7,819
Share-based compensation expense	89,266	124,404
Changes in assets and liabilities:
Accounts receivable and unbilled receivables	1,151,421	1,494,740
Inventories	(104,992)	(170,185)
Prepaid expenses and other current assets	(45,286)	(124,058)
Other assets	(29,710)	(84,815)
Accounts payable and accrued expenses	961,804	1,166,610
Income tax payable	(8,339)	(5,240)
Deferred revenue and other liabilities	(486,385)	(82,833)
Net cash used in operating activities	2,428,131	2,251,868
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(83,797)	(13,918)
Software development costs	(58,461)	(70,674)
Net cash used in investing activities	(142,258)	(84,592)
CASH FLOWS FROM FINANCING ACTIVITIES
Advances on bank line of credit	6,192,656	8,362,503
Repayments of bank line of credit advances	(6,192,656)	(8,362,503)
Principal repayments under capital lease obligations	(122,300)	(26,050)
Proceeds from exercise of stock options	0	22,000
Net cash used in financing activities	(122,300)	(4,050)
Net effect of exchange rate on cash and equivalents	(28,297)	10,039
NET INCREASE IN CASH	2,135,276	2,173,265
CASH AND CASH EQUIVALENTS, beginning of period	2,431,892	5,272,457
CASH AND CASH EQUIVALENTS, end of period	4,567,168	7,445,722
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid for interest	63,309	18,130
Cash paid for income taxes	$ 0	$ 11,429