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15. Parent Company Financial Statements (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Operating activities: |  |
Net loss | $ (36,287) | $ (31,770)
Adjustments to reconcile net loss to net cash provided by (used in) operating activitites: |  |
Stock-based compensation | 981 | 1,101
Stock issued for services | 22 | 118
Depreciation | 4,580 | 4,622
Changes in operating assets and liabilities: |  |
Prepaid expenses | 1,692 | 371
Accounts payable | 2,207 | 2,580
Accrued interest expense | 12,463 | 10,812
Other liabilities | 425 | 1,497
Net cash used in operating activities | (5,506) | (8,688)
Investing activities: |  |
Net cash used in investing activities | (4,074) | (1,116)
Financing activities: |  |
Net cash (used)/provided by financing activities | 10,391 | 8,375
Net increase (decrease) in cash and cash equivalents | 760 | (1,058)
Cash and cash equivalents at beginning of period | 428 | 1,486
Cash and cash equivalents at end of period | 1,188 | 428
Supplemental disclosures of cash flow information, cash paid: |  |
Interest payments | 5,590 | 3,092
Income tax expense | 6 | 6
Supplemental disclosures of cash flow information, non-cash transactions: |  |
Fair value of warrants issued to subordinated debt holders | 235 | 321
Repurchase of common stock added to TEC promissory note | 0 | 451
Payment of TEC bridge loan added to GAFI Revolving loan | 0 | 3,669
Stock Appreciation Rights issued for GAFI Amendment No. 1 | 1,277 | 0
Settlement of subordinated debt through issuing stock | 0 | 132
Parent Company Financial Statements |  |
Operating activities: |  |
Net loss | (330,116) | (30,301)
Adjustments to reconcile net loss to net cash provided by (used in) operating activitites: |  |
Stock-based compensation | 981 | 1,101
Stock issued for services | 22 | 118
SARs Amortization | 477 | 0
Depreciation | 8 | 6
Subsidiary portion of net losses | 29,009 | 22,341
Change in fair value of SARs liability | (145) | 0
Changes in operating assets and liabilities: |  |
Prepaid expenses | (113) | 19
Accounts payable | 1,459 | 529
Accrued interest expense | 209 | 503
Other liabilities | 275 | 64
Net cash used in operating activities | (834) | (5,620)
Investing activities: |  |
Subsidiary advances, net | 2,119 | 5,149
Net cash used in investing activities | 2,119 | 5,149
Financing activities: |  |
Proceeds from borrowings under secured debt facilities | 1,500 | 500
Repayments of borrowings under secured debt facilities | (2,814) | 0
Net cash (used)/provided by financing activities | (1,314) | 500
Net increase (decrease) in cash and cash equivalents | (29) | 29
Cash and cash equivalents at beginning of period | 29 | 0
Cash and cash equivalents at end of period | 0 | 29
Supplemental disclosures of cash flow information, cash paid: |  |
Interest payments | 0 | 0
Income tax expense | 6 | 6
Supplemental disclosures of cash flow information, non-cash transactions: |  |
Fair value of warrants issued to subordinated debt holders | 235 | 321
Repurchase of common stock added to TEC promissory note | 0 | 451
Payment of TEC bridge loan added to GAFI Revolving loan | 0 | 3,669
Stock Appreciation Rights issued for GAFI Amendment No. 1 | 1,277 | 0
Settlement of subordinated debt through issuing stock | $ 0 | $ 132

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