CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net loss	$ (934,716)	$ (1,442,907)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	209,261	153,297
Amortization of debt issuance costs	36,953	21,392
Cash expended in excess of rent expense	(28,012)	(17,692)
Stock-based compensation	330,787	210,028
Bad debt expense		150,000
Common stock issued as employee compensation		45,913
Changes in operating assets and liabilities:
Decrease in accounts receivable	2,139,417	1,245,407
Decrease (increase) in contract assets	(2,189,888)	395,057
Increase in inventory	(1,378,998)	(49,100)
Decrease in prepaid expenses and other assets	541,791	98,683
Increase (decrease) in accounts payable and accrued expenses	1,993,200	(3,388,922)
Increase (decrease) in contract liabilities	(2,353,926)	32,107
Decrease in loss reserve	(626,876)	(27,456)
Increase (decrease) in income taxes payable	(71,871)	868
Net cash used in operating activities	(2,332,878)	(2,573,325)
Cash flows from investing activities:
Purchase of property and equipment	(210,695)	(156,006)
Net cash used in investing activities	(210,695)	(156,006)
Cash flows from financing activities:
Payments on long-term debt	(603,037)	(418,306)
Proceeds from line of credit		2,000,000
Payments on line of credit	(300,000)
Stock offering costs paid	(64,371)
Net cash (used in) provided by financing activities	(967,408)	1,581,694
Net decrease in cash and restricted cash	(3,510,981)	(1,147,637)
Cash and restricted cash at beginning of period	6,128,142	1,430,877
Cash and restricted cash at end of period	2,617,161	283,240
Cash paid during the period for:
Interest	551,635	$ 429,614
Income taxes	90,202
Equipment acquired under financing lease	$ 399,800