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PARENT COMPANY FINANCIALS. (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Operating Activities: |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | $ (13,285) | $ (202) | $ (8,841) | $ (12,636) | $ 13,077 | $ (3,518) | $ 5,086 | $ (13,226) | $ (34,964) | $ 1,419 | $ (18,786)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |
Fair value adjustments |  |  |  |  |  |  |  |  | (473) | 557 | (1,641)
Asset impairment |  |  |  |  |  |  |  |  |  |  | 1,970
Deferred income taxes |  |  |  |  |  |  |  |  | 169 | (1,122) | (2,023)
Amortization of debt discounts |  |  |  |  |  |  |  |  | 636 | 2,322 | 716
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |  |  |
Accounts receivables |  |  |  |  |  |  |  |  | 17,562 | (25,235) | (15,950)
Other assets |  |  |  |  |  |  |  |  | 6,738 | (3,973) | 5,622
Accounts payable and accrued expenses |  |  |  |  |  |  |  |  | (5,538) | 9,279 | (10,045)
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  | 36,509 | 37,228 | (27,993)
Investing Activities: |  |  |  |  |  |  |  |  |  |  |
Additions to property and equipment |  |  |  |  |  |  |  |  | (20,866) | (19,171) | (20,507)
Net cash used in investing activities |  |  |  |  |  |  |  |  | (50,440) | (14,597) | (6,325)
Financing Activities: |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuances of senior notes |  |  |  |  |  |  |  |  | 13,530 | 53,350 |
Proceeds from warrant stock option exercises |  |  |  |  |  |  |  |  | 1,202 | 1,164 | 368
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | (839) | (9,922) | 23,795
Net decrease in cash and cash equivalents |  |  |  |  |  |  |  |  | (14,770) | 12,709 | (10,523)
Cash and cash equivalents at beginning of period |  |  |  | 64,259 |  |  |  | 51,550 | 64,259 | 51,550 | 62,073
Cash and cash equivalents at end of period | 49,489 |  |  |  | 64,259 |  |  |  | 49,489 | 64,259 | 51,550
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Operating Activities: |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  | (34,964) | 1,419 | (18,786)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |
Equity in losses of subsidiaries |  |  |  |  |  |  |  |  | 28,346 | 5,137 | 29,724
Dividends from subsidiaries |  |  |  |  |  |  |  |  | 3,500 |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 830 | 727 | 390
Fair value adjustments |  |  |  |  |  |  |  |  | (473) | 557 | (1,641)
Asset impairment |  |  |  |  |  |  |  |  |  |  | 1,970
Deferred income taxes |  |  |  |  |  |  |  |  | 169 | (1,122) | (14,260)
Amortization of debt discounts |  |  |  |  |  |  |  |  | 636 | 10 |
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |  |  |
Accounts receivables |  |  |  |  |  |  |  |  | 4,065 | 7,302 | (5,958)
Other assets |  |  |  |  |  |  |  |  | 4,356 | 4,647 | (4,139)
Accounts payable and accrued expenses |  |  |  |  |  |  |  |  | 3,859 | (3,741) | 604
Accounts payable with subsidiaries |  |  |  |  |  |  |  |  | (943) | (9,385) | 11,179
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  | 9,381 | 5,551 | (917)
Investing Activities: |  |  |  |  |  |  |  |  |  |  |
Additions to property and equipment |  |  |  |  |  |  |  |  | (468) | (465) | (1,483)
Investments in subsidiaries |  |  |  |  |  |  |  |  | (28,126) | (50,886) |
Purchase of PE OP Co. debt |  |  |  |  |  |  |  |  |  | (17,003) |
Net cash used in investing activities |  |  |  |  |  |  |  |  | (28,594) | (68,354) | (1,483)
Financing Activities: |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuances of senior notes |  |  |  |  |  |  |  |  | 13,530 | 53,350 |
Proceeds from warrant stock option exercises |  |  |  |  |  |  |  |  | 1,202 | 1,164 | 368
Preferred stock dividend payments |  |  |  |  |  |  |  |  | (1,265) | (1,269) | (1,265)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | 13,467 | 53,245 | (897)
Net decrease in cash and cash equivalents |  |  |  |  |  |  |  |  | (5,746) | (9,558) | (3,297)
Cash and cash equivalents at beginning of period |  |  |  | $ 11,060 |  |  |  | $ 20,618 | 11,060 | 20,618 | 23,915
Cash and cash equivalents at end of period | $ 5,314 |  |  |  | $ 11,060 |  |  |  | $ 5,314 | $ 11,060 | $ 20,618

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