Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net (loss)/income	$ (772,122)	$ 2,280,909
Adjustments to reconcile net (loss)/income to net cash provided by/(used in) operating activities:
Stock-based compensation expense	424,015	435,536
Depreciation and amortization	544,158	417,730
Deferred tax expense	56,888	488,038
Provision for doubtful accounts	188	2,817
Accounts receivable, net	(664,052)	(1,247,342)
Contract assets	3,082,808	(430,568)
Inventories	317,604	184,982
Other current assets	(47,204)	(109,056)
Increases/(decreases) in operating liabilities:
Accounts payable and accrued expenses	(611,146)	609,699
Current maturities of long term debt	6,931
Increase (Decrease) in Contract with Customer, Liability	(187,051)	(2,277,718)
Deferred revenue	815,639	20,877
Total adjustments	3,738,778	(1,905,005)
Net cash provided by operating activities	2,966,656	375,904
Cash flows from investing activities:
Capital expenditures	(1,273,857)	(451,387)
Deposits	(177,789)	3,245
Net cash (used in) investing activities	(1,451,646)	(448,142)
Cash flows from financing activities:
Net proceeds from stock options exercised		22,120
Payments of long-term debt	(329,430)	(150,000)
Net cash (used in) financing activities	(329,430)	(127,880)
Net increase/(decrease) in cash and cash equivalents	1,185,580	(200,118)
Cash and cash equivalents at beginning of period	14,210,909	21,677,186
Cash and cash equivalents at end of period	15,396,489	21,477,068
Supplemental disclosure of cash flow information:
Income taxes paid	395,000	401,800
Interest paid	$ 242,324	$ 35,244