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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Operating activities:    
Net loss $ (24,597) $ (17,327)
Adjustments to reconcile net loss to net cash used in operating activities:    
Share-based compensation 486 581
Stock issued for services 0 22
Depreciation 2,234 2,299
Debt related amortization expense 2,619 5,676
Intangibles and other amortization expense 24 70
Accretion of Series A preferred units 920 0
Change in fair value of SARs 60 0
Changes in operating assets and liabilities:    
Accounts receivable (2,708) 579
Inventories 2,042 (1,264)
Prepaid expenses 351 1,053
Other assets 561 (134)
Accounts payable 2,704 2,128
Accrued interest expense and fees 8,301 5,457
Other liabilities 5,772 (745)
Net cash used in operating activities (1,231) (1,605)
Investing activities:    
Capital expenditures (1,038) (1,771)
Net cash used in investing activities (1,038) (1,771)
Financing activities:    
Proceeds from borrowings 15,716 12,415
Repayments of borrowings (13,901) (8,381)
GAFI proceeds from borrowings 24 0
GAFI repayments of borrowings (164) 0
GAFI renewal fee payment (500) 0
Proceeds from Series A preferred units financing 250 0
Net cash provided by financing activities 1,425 4,034
Effect of exchange rate changes on cash and cash equivalents 6 (17)
Net cash and cash equivalents for period (838) 641
Cash and cash equivalents at beginning of period 1,188 428
Cash and cash equivalents at end of period 350 1,069
Supplemental disclosures of cash flow information, cash paid:    
Cash paid for interest, net of capitalized interest of $147 and $0 for the six months ended June 30, 2019 and 2018, respectively 1,699 3,213
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 4,005
Capital expenditures in accounts payable 1,882 0
Operating lease liabilities arising from obtaining right-of-use assets $ 1,181 $ 0