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Discontinued Operations - Summary Of Financial Information That Has Been Segregated From Continuing Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Discontinued Operations: |  |  |  |  |
Gain (loss) from discontinued operations | $ (2,704) | $ (2,169) | $ (13,937) | $ (32,325) |
Net loss from discontinued operations | (2,704) | (2,169) | (13,937) | (32,325) |
Assets: |  |  |  |  |
Assets held for sale | 7,197 |  | 7,197 |  | $ 43,900
Drilling Technologies | Discontinued Operations, Held-for-sale |  |  |  |  |
Discontinued Operations: |  |  |  |  |
Revenue | 4,737 | 6,372 | 11,534 | 12,829 |
Cost of revenue | (2,603) | (4,155) | (7,259) | (9,587) |
Selling, general and administrative | (2,740) | (3,495) | (5,771) | (8,155) |
Depreciation and amortization | 0 | (337) | 0 | (1,085) |
Research and development | (6) | (22) | (6) | (65) |
Gain (loss) on disposal of long-lived assets | (12) | 19 | 62 | 16 |
Impairment of inventory and long-lived assets | 0 | 0 | 0 | (36,522) |
Loss from operations | (624) | (1,618) | (1,440) | (42,569) |
Other expense | (46) | (69) | (117) | (243) |
Gain (loss) from discontinued operations | (1,365) | 0 | (1,365) | 0 |
Loss on write-down of assets held for sale | (272) | 0 | (6,831) | 0 |
Loss before income taxes | (2,307) | (1,687) | (9,753) | (42,812) |
Income tax benefit | 158 | 456 | 3,147 | 14,881 |
Net loss from discontinued operations | (2,149) | (1,231) | (6,606) | (27,931) |
Assets: |  |  |  |  |
Accounts receivable, net | 2,448 |  | 2,448 |  | 5,072
Inventories | 1,942 |  | 1,942 |  | 9,078
Other current assets | 1,595 |  | 1,595 |  | 278
Long-term receivable | 0 |  | 0 |  | 0
Property and equipment, net | 880 |  | 880 |  | 11,277
Goodwill | 0 |  | 0 |  | 15,333
Other intangible assets, net | 0 |  | 0 |  | 7,395
Assets held for sale | 6,865 |  | 6,865 |  | 48,433
Valuation allowance | (904) |  | (904) |  | (18,971)
Assets held for sale, net | 5,961 |  | 5,961 |  | 29,462
Liabilities: |  |  |  |  |
Accounts payable | 388 |  | 388 |  | 2,472
Accrued liabilities | 1,607 |  | 1,607 |  | 1,190
Liabilities held for sale | 1,995 |  | 1,995 |  | 3,662
Production Technologies | Discontinued Operations, Held-for-sale |  |  |  |  |
Discontinued Operations: |  |  |  |  |
Revenue | 849 | 1,868 | 4,002 | 3,889 |
Cost of revenue | (707) | (1,882) | (3,189) | (3,793) |
Selling, general and administrative | (802) | (897) | (1,675) | (2,051) |
Depreciation and amortization | 0 | (149) | 0 | (298) |
Research and development | (92) | (201) | (363) | (467) |
Gain (loss) on disposal of long-lived assets | 0 | 0 | 0 | (59) |
Impairment of inventory and long-lived assets | 0 | 0 | 0 | (3,913) |
Loss from operations | (752) | (1,261) | (1,225) | (6,692) |
Other expense | (16) | (23) | (52) | (44) |
Gain (loss) from discontinued operations | 171 | 0 | 171 | 0 |
Loss on write-down of assets held for sale | 0 | 0 | (9,718) | 0 |
Loss before income taxes | (597) | (1,284) | (10,824) | (6,736) |
Income tax benefit | 42 | 346 | 3,493 | 2,342 |
Net loss from discontinued operations | (555) | $ (938) | (7,331) | $ (4,394) |
Assets: |  |  |  |  |
Accounts receivable, net | 539 |  | 539 |  | 1,784
Inventories | 0 |  | 0 |  | 8,115
Other current assets | 697 |  | 697 |  | 370
Long-term receivable | 0 |  | 0 |  | 4,179
Property and equipment, net | 0 |  | 0 |  | 3,978
Goodwill | 0 |  | 0 |  | 1,689
Other intangible assets, net | 0 |  | 0 |  | 484
Assets held for sale | 1,236 |  | 1,236 |  | 20,599
Valuation allowance | 0 |  | 0 |  | (6,161)
Assets held for sale, net | 1,236 |  | 1,236 |  | 14,438
Liabilities: |  |  |  |  |
Accounts payable | 40 |  | 40 |  | 914
Accrued liabilities | 381 |  | 381 |  | 385
Liabilities held for sale | $ 421 |  | $ 421 |  | $ 1,299

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