Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net (loss)/income	$ (918,752)	$ 2,814,218
Adjustments to reconcile net (loss)/income to net cash provided by operating activities:
Stock-based compensation expense	544,238	556,593
Depreciation and amortization	618,227	636,236
Deferred tax benefit	(836,615)	(331,750)
Provision for doubtful accounts	39,313	32,063
Changes in operating assets and liabilities:
Accounts receivable	(4,108,505)	1,376,880
Costs and estimated earnings in excess of billings on contracts in progress	1,475,190	(13,308)
Inventories, net	(64,328)	1,195,169
Income taxes - current		511,158
Other current assets	(22,669)	90,355
Increases/(decreases) in operating liabilities:
Accounts payable and accrued expenses	(2,251,405)	741,707
Current maturities of long-term debt	(280,000)	(35,000)
Billings in excess of costs and estimated earnings on contracts in progress	9,130,870	(575,482)
Accrued litigation settlement		(4,925,000)
Deferred revenue	(158,031)	(254,058)
Total adjustments	4,086,285	(994,437)
Net cash provided by operating activities	3,167,533	1,819,781
Cash flows from investing activities:
Release of restricted cash	200,000	200,000
Capital expenditures	(42,670)	(212,594)
Deposits	1,550
Net cash provided by/(used in) investing activities	158,880	(12,594)
Cash flows from financing activities:
Net proceeds from stock options exercised	462,000
Payments of long-term debt	(225,000)	(505,000)
Net cash provided by/(used in) financing activities	237,000	(505,000)
Net increase in cash and cash equivalents	3,563,413	1,302,187
Cash and cash equivalents at beginning of period	13,073,331	11,966,863
Cash and cash equivalents at end of period	16,636,744	13,269,050
Supplemental disclosure of cash flow information:
Income taxes paid	101,352	427,078
Interest paid	$ 61,608	$ 70,907