Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income/(loss)	$ 791,756	$ (4,809)
Stock-based compensation expense	370,830	194,017
Gain on sale of building		(887,477)
Depreciation and amortization	590,385	472,545
Deferred tax expense/(benefit)	189,873	(507,011)
Bad debt provision	(84,182)	609,697
Accounts receivable	(1,666,998)	(1,482,520)
Costs and estimated earnings in excess of billings on contracts in progress	(1,006,869)	406,422
Inventories, net	(716,201)	(356,196)
Other current assets	36,067	8,852
Billings in excess of costs and estimated earnings on contracts in progress	291,634	(470,568)
Accounts payable and accrued expenses	1,663,191	104,205
Deferred revenue	119,827	(69,297)
Net cash provided by/(used in) operating activities	579,313	(1,982,140)
Cash flows from investing activities:
Release of restricted cash	400,000
Capital expenditures	(396,055)	(1,813,517)
Proceeds from sale of building		3,619,899
Deposits	3,167	(2,667)
Net cash provided by investing activities	7,112	1,803,715
Cash flows from financing activities:
Net proceeds from stock options exercised	102,200	29,500
Payments of long-term debt	(540,000)	(2,857,334)
Net cash used in financing activities	(437,800)	(2,827,834)
Net increase/(decrease) in cash and cash equivalents	148,625	(3,006,259)
Cash and cash equivalents at beginning of period	11,247,560	13,721,324
Cash and cash equivalents at end of period	11,396,185	10,715,065
Income taxes paid		25
Interest paid	$ 83,904	$ 99,663