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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Operating activities:    
Net loss $ (10,667) $ (11,105)
Adjustments to reconcile net loss to net cash used in operating activities:    
Share-based compensation 290 264
Stock issued for services 0 22
Depreciation 1,138 1,150
Debt related amortization expense 1,223 4,757
Intangibles and other amortization expense 12 35
Accretion of Series A preferred units 449 0
Change in fair value of SARs 35 0
Changes in operating assets and liabilities:    
Accounts receivable (973) 241
Inventories (173) (750)
Prepaid expenses 373 664
Other current and long-term assets (220) (377)
Accounts payable 2,755 1,299
Accrued interest expense and fees, net of payments 4,202 2,897
Other liabilities (550) 876
Net cash used in operating activities (2,107) (27)
Investing activities:    
Capital expenditures (598) (996)
Net cash used in investing activities (598) (996)
Financing activities:    
Proceeds from borrowings 7,349 5,204
Repayments of borrowings (5,759) (4,222)
GAFI proceeds from borrowings 24 0
GAFI repayments of borrowings (55) 0
Net cash provided by financing activities 1,559 982
Effect of exchange rate changes on cash and cash equivalents 1 6
Net cash and cash equivalents for period (1,145) (35)
Cash and cash equivalents at beginning of period 1,188 428
Cash and cash equivalents at end of period 43 393
Supplemental disclosures of cash flow information, cash paid:    
Cash paid for interest, net of capitalized interest of $64 thousand and $0 for the three months ended March 31, 2019 and 2018, respectively 721 1,341
Income taxes paid 0 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 67 65
TEC debt extension, waiver fees, promissory notes fees added to debt 1,102 3,661
Capital expenditures in accounts payable 839 0
Operating lease liabilities arising from obtaining ROU assets $ 1,181 $ 0