Consolidated Statements of Comprehensive Loss (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Consolidated Statements of Comprehensive Loss [Abstract]
Net Sales	$ 18,789,746	$ 15,277,366
Cost of sales	12,085,281	10,401,206
Gross Profit	6,704,465	4,876,160
Operating Expenses
Selling, general and administrative	9,853,085	6,359,090
Research and development	2,993,166	1,114,698
Total operating expenses	12,846,251	7,473,788
Operating loss	(6,141,786)	(2,597,628)
Other (income) expense, net:
Interest income	(6,023)	(5,079)
Other (income) expense, net	94,827	(54,884)
Total other (income) expense, net	88,804	(59,963)
Loss before income taxes	(6,230,590)	(2,537,665)
Income tax expense	14,188	1,236
Net Loss	(6,244,778)	(2,538,901)
Other Comprehensive (Loss) Income
Foreign currency translation adjustment	(49,685)	79,340
Comprehensive Loss	$ (6,294,463)	$ (2,459,561)
Net loss per common share - basic and diluted	$ (0.38)	$ (0.24)
Shares used in computing net loss per common share - basic and diluted	16,593,677	10,610,111