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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Operating activities:    
Net loss $ (22,077) $ (31,823)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Share-based compensation 826 630
Depreciation 3,515 3,337
Debt related fees and amortization expense 2,578 3,565
Intangibles and other amortization expense 36 36
Accretion of Series A preferred units 4,087 1,509
Deferred tax benefit (263) 0
Provision for bad debts 647 0
Change in fair value of stock appreciation rights 0 (80)
Changes in operating assets and liabilities:    
Accounts receivable (1,902) (4,359)
Inventories 1,542 2,563
Prepaid expenses 66 384
Other assets 1,684 (154)
Accounts payable 330 3,429
Accrued interest expense and fees 16,011 13,272
Other liabilities (24) 6,565
Net cash provided by (used in) operating activities 7,056 (1,126)
Investing activities:    
Capital expenditures (14,921) (5,053)
Note receivable (3,687) 0
Net cash used in investing activities (18,608) (5,053)
Financing activities:    
Proceeds from borrowings 12,135 39,246
Repayments of borrowings (11,792) (35,886)
TEC debt renewal and waiver fee payments (300) (530)
Grant proceeds received for capital expenditures 256 1,364
Payments on finance leases (1,137) 0
Proceeds from the exercise of stock options 260 0
Proceeds from Series A preferred units financing 11,564 1,725
Net cash provided by financing activities 10,986 5,919
Effect of exchange rate changes on cash and cash equivalents (11) (9)
Net cash and cash equivalents for period (577) (269)
Cash and cash equivalents at beginning of period 656 1,188
Cash and cash equivalents at end of period 79 919
Supplemental disclosures of cash flow information, cash paid:    
Cash paid for interest, net of capitalized interest of $291 and $231 for the nine months ended September 30, 2020 and 2019, respectively 702 1,836
Income taxes paid 8 0
Supplemental disclosures of cash flow information, non-cash transactions:    
Subordinated debt extension fees added to debt 680 680
Fair value of warrants issued to subordinated debt holders 181 162
TEC debt extension, waiver fees, promissory notes fees added to debt 1,793 1,102
Capital expenditures in accounts payable 1,182 1,443
Operating lease liabilities arising from obtaining right-of-use assets 2,688 1,181
Financing lease liabilities arising from obtaining right of use assets 2,988 0
Stock Appreciation Rights issued for GAFI Amendment No. 1 0 1,050
Capital expenditures purchased on financing $ 5,652 $ 0