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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Operating activities:    
Net loss $ (15,636) $ (27,138)
Adjustments to reconcile net loss to net cash provided by (used in) operating activitites:    
Share-based compensation 747 938
Stock issued in connection with consultant services 0 204
Depreciation 4,670 4,730
Debt related amortization expense 5,723 6,715
Intangibles and other amortization expense 126 129
Change in fair value of warrant liability (25) (54)
(Gain) loss on extinguishment of debt (2,033) 330
Loss on sale/disposal of assets 11 0
Impairment loss on goodwill and intangible assets 0 1,044
Changes in operating assets and liabilities:    
Accounts receivable (403) 72
Inventories 1,504 (450)
Prepaid expenses (28) 1,109
Other current assets and other assets 890 (979)
Accounts payable (2,097) 2,020
Accrued interest expense and fees, net of payments 6,448 9,800
Other liabilities 474 744
Net cash provided by (used in) operating activities 371 (786)
Investing activities:    
Capital expenditures (629) (71)
Net cash used in investing activities (629) (71)
Financing activities:    
Proceeds from borrowings 20,583 30,331
Repayments of borrowings (18,956) (29,293)
Issuance of common stock for services, option and warrant exercises 0 23
Payment of debt guarantee fee 0 (245)
Net cash provided by financing activities 1,627 816
Effect of exchange rate changes on cash and cash equivalents (166) (8)
Net cash and cash equivalents increase for period 1,203 (49)
Cash and cash equivalents at beginning of period 283 332
Cash and cash equivalents at end of period 1,486 283
Supplemental disclosures of cash flow information, cash paid:    
Interest payments 4,894 478
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 579 1,087
Repurchase of common stock on revolver loan advance 0 7,479
Stock issued in connection with services and interest on debt 0 432
Settlement of accounts payable through transfer of equipment $ 66 $ 0