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Consolidated Statements of Cash Flows (USD $)
 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Operating activities:    
Net loss $ (18,112,413) $ (10,632,201)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation 278,021 104,468
Depreciation and amortization 764,466 544,676
Inventory provision 196,733 239,446
Amortization of debt issuance discount 3,580,126 3,066,693
Loss on extinguishment of debt    33,926
Loss/(gain) on sale or disposal of assets (200,289) 401,407
Changes in assets and liabilities:    
Accounts receivable (110,273) (1,584,636)
Inventory 772,636 (2,387,855)
Prepaid expenses 212,338 121,521
Other current assets and other assets 348,672 (345,794)
Accounts payable 2,685,106 5,736,068
Accrued interest expense 4,639,246 2,803,608
Other liabilities (34,341) 693,521
Net cash used in operating activities (4,979,972) (1,205,152)
Investing activities:    
Purchase of property, plant and equipment, net (667,674) (2,040,661)
Proceeds from sale of land 1,121,830 1,598,593
Net cash provided by/(used in) investing activities 454,156 (442,068)
Financing activities:    
Proceeds from borrowing under secured debt facilities 2,640,000 3,500,000
Repayments of borrowing under secured debt facilities (1,275,588) (920,000)
Proceeds from borrowings under unsecured short term notes and working capital lines of credit 5,012,055   
Repayments of borrowings under short term facilities (2,054,832) (1,051,541)
Net cash provided by financing activities 4,321,636 1,528,459
Effect of exchange rate changes on cash and cash equivalents 57,588 (5,635)
Net decrease in cash and cash equivalents (146,593) (124,396)
Cash and cash equivalents at beginning of period 249,466 683,016
Cash and cash equivalents at end of period 102,873 558,620
Supplemental disclosures of cash flow information, cash paid:    
Interest, net of capitalized interest of $0 in 2012 and $156,755 in 2011 545,586 256,271
Interest paid to related party 93,163   
Income taxes 4,000 3,200
Supplemental disclosures of cash flow information, non-cash transactions:    
Stock issued to pay interest and fees on borrowings 1,929,931 824,169
Issuance of warrants to subordinated debt holders 916,418   
Purchases in other liabilities $ 656,965