CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 1,329,433	$ 883,936
Accounts receivable, net of allowance	1,387,663	888,214
Inventories	3,487,757	3,955,515
Prepaid expenses and deposits	220,890	280,140
Total current assets	6,425,743	6,007,805
Property and equipment, net	8,022,526	7,899,486
Goodwill	1,492,132	1,492,132
Intangible assets	590,250	610,000
Total assets	16,530,651	16,009,423
Current liabilities:
Accounts payable	1,864,907	1,879,760
Accrued liabilities	1,115,669	896,740
Derivative liabilities - 8% convertible promissory notes	11,755,000	17,190,000
Current portion of long term debt	185,989	185,347
Total current liabilities	14,921,565	20,151,847
8% convertible promissory notes, net of discounts	12,688,567	11,030,913
12% revolving credit agreement, net of discounts	1,930,329	1,873,716
4.25% bank term loans	4,400,000	4,400,000
Other debt	258,104	300,127
Fair value of 10% convertible preferred stock warrants	175,221	296,194
Total liabilities	34,373,786	38,052,797
Commitments and contingencies
10% convertible preferred stock, no par value; authorized 880,000 shares; 694,623 shares issued and outstanding at March 31, 2014 and December 31, 2013, net of discounts	6,946,230	6,724,844
Stockholders' deficit:
Common stock, no par value; authorized, 250,000,000 shares; 31,922,419 and 31,168,905 shares issued and outstanding at March 31, 2014 and December 31, 2013, respectively	30,909,662	30,500,445
Accumulated deficit	(55,699,027)	(59,268,663)
Total stockholders' deficit	(24,789,365)	(28,768,218)
Total liabilities and stockholders' deficit	$ 16,530,651	$ 16,009,423