Consolidated Statements of Cash Flows - USD ($)		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income/(loss)		$ 3,204,996	$ (2,473,530)
Adjustments to reconcile net income/(loss) to net cash used in operating activities
Stock-based compensation		$ 750,758	515,933
(Gain) on sale of other fixed assets			(8,000)
Depreciation and amortization	[1]	$ 826,529	797,928
Deferred income tax benefit		1,633,254	(1,483,789)
Provision for doubtful accounts		(30,826)	(58,007)
(Increase)/decrease in operating assets
Accounts receivable		3,402,625	(3,521,600)
Cost in excess of billings on contracts in progress		(2,136,356)	(920,693)
Inventories, net		1,855,628	(344,709)
Other current assets		27,700	51,484
(Decrease)/increase in operating liabilities
Accounts payable		(1,374,835)	1,214,766
Accrued expenses		148,856	1,490,682
Billings in excess of costs and estimated earnings on contracts in progress		(1,328,508)	1,075,618
Accrued litigation settlement		(4,925,000)	4,925,000
Deferred revenue		(181,008)	284,164
Total adjustments		(1,331,183)	4,018,777
Net cash provided by operating activities		1,873,813	1,545,247
Cash flows from investing activities:
Restricted cash		200,000	400,000
Capital expenditures		$ (248,305)	(617,761)
Proceeds from sale of other fixed assets			8,000
Deposits		$ 960	1,617
Net cash (used in) investing activities		$ (47,345)	(208,144)
Cash flows from financing activities
Net proceeds from stock options exercised			102,200
Payments of long-term debt		$ (720,000)	(720,000)
Net cash (used in) financing activities		(720,000)	(617,800)
Net increase in cash and cash equivalents		1,106,468	719,303
Cash and cash equivalents at beginning of year		11,966,863	11,247,560
Cash and cash equivalents at end of year		13,073,331	$ 11,966,863
Supplemental disclosure of cash flow information:
Income taxes paid		427,078
Interest paid		$ 92,101	$ 109,418

[1] Includes amortization expense of $24,759 and $20,007 for the years ending December 31, 2015 and 2014, respectively. Such amortization expense relates to other capitalized and intangible assets.