CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows from Operating Activities:
Net income (loss)	$ (22,968)	$ 475,561
Noncash items included in net income:
Depreciation and amortization	259,850	143,365
Deferred income taxes	36,000	(32,134)
Stock based compensation	80,080	44,364
Tax benefit from stock options exercised	(12,996)	(9,873)
Change in current assets and liabilities:
Accounts receivable	256,599	323,534
Inventory	(435,285)	(639,217)
Prepaid items and other assets	(58,632)	(153,153)
Income taxes receivable	(61,449)	67,636
Accounts payable	(151,510)	(55,571)
Accrued expenses	138,976	(124,933)
Deferred revenues	25,582	174,860
Billings in excess of costs and estimated earnings	233,196	282,572
Deferred rent	(120,221)	(102,103)
Net Cash Provided by Operating Activities	167,222	394,908
Cash Flows from Investing Activities:
Restricted cash and cash equivalents	(8,057)	(131,551)
Purchase of property and equipment	(164,747)	(30,264)
Certificate of deposit	0	(1,933)
Other assets	4,418	5,093
Business Acquisition	(1,214,330)	(4,241,914)
Net Cash Used by Investing Activities	(1,382,716)	(4,400,569)
Cash Flows from Financing Activities:
Tax benefit from stock options exercised	12,996	9,873
Proceeds from stock options exercised	4,930	89,000
Net Cash Provided by Financing Activities	17,926	98,873
Effect of exchange rate changes on cash and cash equivalents	(56,317)	(17,601)
Net decrease in cash and cash equivalents	(1,253,885)	(3,924,389)
Cash and Cash Equivalents, beginning of period	7,576,374	8,737,543
Cash and Cash Equivalents, end of period	$ 6,322,489	$ 4,813,154