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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Operating activities:    
Net loss $ (14,191) $ (20,685)
Adjustments to reconcile net loss to net cash provided by (used in) operating activitites:    
Share-based compensation 573 694
Stock issued in connection with consultant services 0 204
Depreciation 3,523 3,560
Debt related amortization expense 4,269 5,386
Intangibles and other amortization expense 95 96
Change in fair value of warrant liability 34 (57)
Loss on extinguishment of debt 0 330
Loss on sale or disposal or assets 11 0
Changes in operating assets and liabilities:    
Accounts receivable 150 (988)
Inventories 795 650
Prepaid expenses 82 698
Other current assets and other assets (175) (49)
Accounts payable (1,315) (481)
Accrued interest expense and fees, net of payments 5,910 7,446
Other liabilities 683 384
Net cash provided by (used in) operating activities 444 (2,812)
Investing activities:    
Capital expenditures (479) (22)
Net cash used in investing activities (479) (22)
Financing activities:    
Proceeds from borrowings 8,535 28,987
Repayments of borrowings (8,091) (23,900)
Issuance of common stock for services, option and warrant exercises 0 23
Net cash provided by (used in) financing activities 444 5,110
Effect of exchange rate changes on cash and cash equivalents (40) (92)
Net cash and cash equivalents increase for period 369 2,184
Cash and cash equivalents at beginning of period 283 332
Cash and cash equivalents at end of period 652 2,516
Supplemental disclosures of cash flow information, cash paid:    
Interest payments 2,518 356
Income tax expense 6 6
Supplemental disclosures of cash flow information, non-cash transactions:    
Proceeds from exercise of stock options applied to accounts payable 0 21
Fair value of warrants issued to subordinated debt holders 578 1,087
Repurchase of common stock on revolver loan advance 0 8,218
Settlement of accounts payable through transfer of equipment 66 0
Stock issued in connection with services and for interest on debt $ 0 $ 432