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Consolidated Statements of Cash Flows (Unaudited) (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Operating activities:    
Net income/(loss) $ (9,814,005) $ (8,364,458)
Adjustments to reconcile net income/(loss) to net cash used in operating activities:    
Stock-based compensation 292,507 70,915
Depreciation 1,165,255 344,917
Amortization of debt issuance discount and patents 2,999,553 1,296,855
Change in fair value of warrant liability (162,442)   
Loss on extinguishment of debt 956,480   
(Gain)/loss on sale or disposal of assets (126,160) 38,209
Changes in assets and liabilities:    
Accounts receivable 700,343 (598,341)
Inventory 182,056 908,994
Prepaid expenses 202,492 13,904
Other current assets and other assets (581,392) 113,402
Accounts payable (2,590,157) 1,048,540
Accrued interest expense and fees, net of payments 2,422,451 2,216,220
Other liabilities 396,959 (39,634)
Net cash (used in) operating activities (3,956,060) (2,950,477)
Investing activities:    
Capital expenditures (28,828) (32,711)
Proceeds from sale of land 400,000   
Net cash provided/(used in) investing activities 371,172 (32,711)
Financing activities:    
Proceeds from borrowing under secured debt facilities 3,100,000   
Repayments of borrowing under secured debt facilities    (200,000)
Proceeds from borrowings under unsecured and subdebt term notes and working capital lines of credit 1,351,810 3,859,609
Repayments of borrowings under unsecured and subdebt notes and working capital facility (1,260,421) (898,605)
Warrant exercises 1,449   
Net cash provided by financing activities 3,192,838 2,761,004
Effect of exchange rate changes on cash and cash equivalents 153,068 84,372
Net decrease in cash and cash equivalents (238,982) (137,812)
Cash and cash equivalents at beginning of period 290,603 249,466
Cash and cash equivalents at end of period 51,621 111,654
Supplemental disclosures of cash flow information, cash paid:    
Interest payments 133,519 297,487
Interest payments to related party    93,173
Income taxes 5,600 4,000
Supplemental disclosures of cash flow information, non-cash transactions:    
Issuance of warrants to subordinated debt holders 995,418 690,948
Payment of principal, fees and interest by issuance of stock 1,422,118 957,044
Warrant liability transferred to equity upon exercise $ 1,006,648