CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenue	$ 7,615,540	$ 6,343,240	$ 12,514,885	$ 12,798,350
Cost of goods sold	4,689,578	3,987,068	8,027,129	7,796,037
Gross profit	2,925,962	2,356,172	4,487,756	5,002,313
Operating expenses:
Selling, general and administrative expenses	1,924,213	1,467,134	3,584,062	3,101,137
Research and development expenses	716,167	976,254	1,585,117	1,946,393
Total operating expenses	2,640,380	2,443,388	5,169,179	5,047,530
Operating income (loss)	285,582	(87,216)	(681,423)	(45,217)
Interest and other income, net	17,660	6,046	20,533	9,249
Income (loss) before income taxes	303,242	(81,170)	(660,890)	(35,968)
Income tax expense (benefit)	97,477	(28,000)	(279,178)	(13,000)
Net income (loss)	205,765	(53,170)	(381,712)	(22,968)
Net income (loss) per share:
Basic income (loss) per share (in Dollars per share)	$ 0.04	$ (0.01)	$ (0.08)	$ 0.00
Diluted income (loss) per share (in Dollars per share)	$ 0.04	$ (0.01)	$ (0.08)	$ 0.00
Comprehensive income:
Net income (loss)	205,765	(53,170)	(381,712)	(22,968)
Foreign currency translation adjustments	4,780	(60,344)	(23,252)	(56,317)
Comprehensive income (loss)	$ 210,545	$ (113,514)	$ (404,964)	$ (79,285)