CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating activities:
Net income (loss)	$ (8,528,883)	$ (2,835,635)
Noncash adjustments:
Depreciation and amortization	586,771	577,145
Amortization of debt discount	917,153	228,505
Write-off of debt discount	0	139,228
Non-cash consulting expense/stock option expense	603,058	1,114,846
Warrants issued for services	0	342,485
Non-cash interest	(78,408)	50,659
Provision for losses on accounts receivable and inventory	1,197,669	136,637
(Gain) loss on disposal of assets	(500)	7,902
Change in derivative warrant liability	(246,337)	(1,393,155)
Reduction of contingent liability	(91,740)	(358,426)
Changes in operating assets and liabilities:
Accounts receivable	970,971	(237,841)
Inventories	265,396	(5,092,496)
Prepaid and other assets	291,375	(957,628)
Accounts payable	(635,973)	1,316,973
Accrued liabilities	(428,751)	(848,488)
Net cash used in operating activities	(5,178,199)	(7,809,289)
Investing activities:
Purchases of property and equipment	(633,393)	(1,216,723)
Intangible asset additions	(10,149)	0
Net cash used in investing activities	(643,542)	(1,216,723)
Financing activities:
Proceeds from the issuance of long-term debt	0	22,741,719
Payments on long-term debt	(34,308)	(9,773,075)
Payments on capital leases	(110,045)	(21,085)
Net proceeds from issuance of stock	4,450,002	3,899,996
Proceeds from exercise of options	27,575	43,334
Net cash provided by financing activities	4,333,224	16,890,889
Net change in cash and cash equivalents	(1,488,517)	7,864,877
Cash and cash equivalents at beginning of period	4,926,066	751,111
Cash and cash equivalents at end of period	$ 3,437,549	$ 8,615,988