CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 1,812,916	$ 1,982,772
Accounts receivable, net of allowance	371,357	701,155
Inventories	2,410,180	1,528,491
Prepaid expenses and deposits	341,949	203,445
Total current assets	4,936,402	4,415,863
Property and equipment, net	1,967,674	1,047,136
Other long-term and intangible assets	68,284	78,997
Total assets	6,972,360	5,541,996
Current liabilities:
Accounts payable	1,333,684	1,175,462
Accrued liabilities	567,076	359,715
Convertible revolving credit agreement, net of discounts	0	160,794
Convertible debt		772,500
Total current liabilities	2,920,760	4,527,548
Fair value of 10% convertible preferred stock warrants	85,594	487,555
8% convertible promissory notes	5,096,577	0
Total liabilities	8,102,931	5,015,103
Commitments and contingencies
Stockholders' deficit:
Common stock, no par value; authorized, 100,000,000 shares; 26,781,378 and 25,007,261 shares issued and outstanding at September 30, 2012 and December 31, 2011, respectively	26,706,533	24,410,071
Accumulated deficit	(33,700,188)	(29,645,934)
Total stockholders' deficit	(6,993,655)	(5,235,863)
Total liabilities and stockholders' deficit	6,972,360	5,541,996
Debt Conversion
Current liabilities:
Derivative liability		113,271
Debt Conversion | 8% Convertible promissory note
Current liabilities:
Derivative liability	720,000
Warrant
Current liabilities:
Derivative liability		1,875,463
Warrant | 8% Convertible promissory note
Current liabilities:
Derivative liability	300,000
Bonus Warrants
Current liabilities:
Derivative liability		70,343
10% Convertible Preferred Stock
Current liabilities:
Temporary Equity	5,863,084	5,520,256
Redeemable Common Stock
Current liabilities:
Temporary Equity		$ 242,500