CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities:
Net income	$ 966,013	$ 821,205
Noncash items included in net income:
Depreciation and amortization	207,776	213,394
Deferred income taxes	(62,134)	(19,000)
Stock based compensation	109,636	72,883
(Gain) loss on disposal of property		(1,900)
Tax benefit from stock options exercised	(301,413)	(161,460)
Change in current assets and liabilities:
Accounts receivable	(12,969)	(614,236)
Inventory	(635,015)	(120,174)
Prepaid items and other assets	(72,642)	(384,424)
Income taxes receivable	297,540	161,460
Accounts payable	257,902	(57,255)
Accrued expenses	(308,803)	(167,451)
Billings in excess of costs and estimated earnings	509,998	(156,312)
Deferred rent	(136,874)	(104,314)
Net Cash Provided (Used) by Operating Activities	819,015	(517,584)
Cash Flows from Investing Activities:
Restricted cash and cash equivalents	(193,611)	(10,718)
Purchase of property and equipment	(94,359)	(76,240)
Certificate of deposit	(2,900)	(4,122)
Other assets	6,916	5,850
Acquisition and goodwill	(4,241,914)
Proceeds from the sale of property and equipment		1,900
Net Cash Provided (Used) by Investing Activities	(4,525,868)	(83,330)
Cash Flows from Financing Activities:
Tax benefit from stock options exercised	301,413	161,460
Proceeds from stock options exercised	174,250	85,100
Net Cash Provided (Used) by Financing Activities	475,663	246,560
Effect of exchange rate changes on cash and cash equivalents	(8,785)	(66,408)
Net increase (decrease) in cash and cash equivalents	(3,239,975)	(420,762)
Cash and Cash Equivalents, beginning of year	8,737,543	8,708,831
Cash and Cash Equivalents, end of year	$ 5,497,568	$ 8,288,069