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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Operating activities:    
Net loss $ (11,105) $ (8,527)
Adjustments to reconcile net loss to net cash used in operating activities:    
Share-based compensation 264 409
Stock issued for services 22 0
Depreciation 1,150 1,146
Debt related amortization expense 4,757 1,683
Intangibles and other amortization expense 35 33
Change in fair value of warrant liability 0 5
Changes in operating assets and liabilities:    
Accounts receivable 241 569
Inventories (750) 498
Prepaid expenses 664 (142)
Other current assets and other assets (377) 1
Accounts payable 1,299 (303)
Accrued interest expense and fees, net of payments 2,897 1,977
Other liabilities 876 181
Net cash used in operating activities (27) (2,470)
Investing activities:    
Capital expenditures (996) (44)
Net cash used in investing activities (996) (44)
Financing activities:    
Proceeds from borrowings 5,204 3,043
Repayments of borrowings (4,222) (2,050)
Net cash provided by financing activities 982 993
Effect of exchange rate changes on cash and cash equivalents 6 266
Net cash and cash equivalents decrease for period (35) (1,255)
Cash and cash equivalents at beginning of period 428 1,486
Cash and cash equivalents at end of period 393 231
Supplemental disclosures of cash flow information, cash paid:    
Interest paid 1,341 1,004
Income taxes paid 6 6
Supplemental disclosures of cash flow information, non-cash transactions:    
Subordinated debt extension fees added to debt 340 340
Fair value of warrants issued to subordinated debt holders 65 174
Repurchase of common stock added to TEC promissory note 0 451
TEC promissory notes fees added to notes 110 149
Senior debt extension and waiver fees added to debt $ 3,551 $ 3,846