CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash flow from operating activities:
Net loss	$ (5,433,127)	$ (10,963,326)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	107,552	137,707
Amortization of discounts	510,220	567,575
Change in fair value of warrants for redeemable preferred stock	(405,839)	487,555
Change in fair value of derivative liabilities	(765,580)	1,377,960
Loss on debt extinguishment	0	1,350,000
Share-based compensation	673,617	3,046,202
Interest expense paid in shares of common stock	178,779	0
Increase in allowance for doubtful accounts	99,265	32,731
Changes in operating assets and liabilities:
Accounts receivable	409,875	(711,357)
Inventories	(1,560,462)	(1,387,897)
Prepaid expenses, deposits and intangibles	48,819	(53,543)
Accounts payable	(285,068)	218,400
Accrued liabilities	215,237	160,567
Net cash used in operating activities	(6,206,712)	(4,940,241)
Cash flows from investing activities:
Purchase of property and equipment	(1,065,631)	(1,098,189)
Net cash used in investing activities	(1,065,631)	(1,098,189)
Cash flows from financing activities:
Proceeds from issuance of demand promissory notes	5,000,001	0
Proceeds from issuance of 8% convertible promissory notes, net	1,874,975	0
Proceeds from issuance of 10% convertible preferred stock, net	0	6,769,390
Proceeds from convertible revolving credit agreement	0	466,000
Repayments on convertible debt	(772,500)	0
Repayment of revolving credit agreement	(466,000)	0
Issuance of common stock, net	0	200
Net cash provided by financing activities	5,636,476	7,235,590
Net increase (decrease) in cash and cash equivalents	(1,635,867)	1,197,160
Cash and cash equivalents at beginning of period	1,982,772	785,612
Cash and cash equivalents at end of period	346,905	1,982,772
Supplemental disclosures of cash flow information:
Cash paid for interest	69,682	123,315
Non-cash investing and financing activities:
Shares issued pursuant to conversion of preferred stock and debt	462,500	462,067
Shares issued in payment of dividends on 10% convertible preferred stock	870,440	352,032
Amortization of conversion feature of 10% convertible preferred stock	973,130	521,323
Redeemable common stock reclassified to permanent equity	242,500	0
Bonus warrants granted	57,034	234,731
Fair value of conversion options of 8% convertible promissory notes	1,025,691	0
8% Convertible promissory note
Non-cash investing and financing activities:
Fair value of warrants issued	443,309	0
Bonus Warrants
Adjustments to reconcile net loss to net cash used in operating activities:
Fair value of bonus warrants at debt extinguishment	0	797,185
10% Convertible Preferred Stock
Non-cash investing and financing activities:
Fair value of warrants issued	$ 0	$ 1,875,463