Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net loss	$ (3,707,685)	$ (3,274,924)
Adjustments to reconcile net loss to net cash
Stock-based compensation	476,458	703,567
Depreciation and amortization	798,206	824,861
Deferred income tax	(699,000)	(315,922)
Recovery of contingent earnout	(200,000)
(Increase)/decrease in operating assets
Accounts receivable	993,042	(528,751)
Contract assets	(1,229,987)	5,845,869
Inventories	92,658	214,119
Other current assets	411,690	(225,542)
Other assets	29,635	(6,800)
Increase/(decrease) in operating liabilities
Accounts payable	317,881	86,417
Accrued expenses	203,205	(960,710)
Contract liabilities	(393,191)	(237,098)
Deferred revenue	814,126	598,494
Total adjustments	1,614,723	5,998,504
Net cash (used in) provided by operating activities	(2,092,962)	2,723,580
Cash flows from investing activities:
Purchases of property, plant and equipment	(2,115,733)	(2,258,379)
Net cash used in investing activities	(2,115,733)	(2,258,379)
Cash flows from financing activities:
Payments of long-term debt	(491,601)	(483,930)
Net cash used in financing activities	(491,601)	(483,930)
Net (decrease) in cash and cash equivalents	(4,700,296)	(18,729)
Cash and cash equivalents at beginning of period	11,439,361	14,210,909
Cash and cash equivalents at end of period	6,739,065	14,192,180
Supplemental disclosure of cash flow information:
Income taxes paid		395,000
Interest paid	365,255	355,322
Capitalization of right to use Asset	$ 103,937