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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Operating activities:    
Net loss $ (17,327) $ (14,514)
Adjustments to reconcile net loss to net cash used in operating activities:    
Share-based compensation 581 604
Stock issued for services 22 0
Depreciation 2,299 2,298
Debt related amortization expense 5,676 2,847
Intangibles and other amortization expense 70 64
Change in fair value of warrant liability 0 3
Changes in operating assets and liabilities:    
Accounts receivable 579 338
Inventories (1,264) (2,705)
Prepaid expenses 1,053 (321)
Other current assets and other assets (134) (99)
Accounts payable 2,128 1,140
Accrued interest expense and fees, net of payments 5,457 4,826
Other liabilities (745) 675
Net cash used in operating activities (1,605) (4,844)
Investing activities:    
Capital expenditures (1,771) (511)
Net cash used in investing activities (1,771) (511)
Financing activities:    
Proceeds from borrowings 12,415 10,833
Repayments of borrowings (8,381) (6,589)
Net cash provided by financing activities 4,034 4,244
Effect of exchange rate changes on cash and cash equivalents (19) 292
Net cash and cash equivalents increase (decrease) for period 641 (819)
Cash and cash equivalents at beginning of period 428 1,486
Cash and cash equivalents at end of period 1,069 667
Supplemental disclosures of cash flow information, cash paid:    
Interest paid 3,213 1,273
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 204 1,169
Senior debt extension and waiver fees added to debt $ 3,801 $ 3,846