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INCOME TAXES (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Components of income before income taxes [Abstract] |  |  |  |  |
Domestic |  | $ 11,079 | $ (42,179) | $ (21,349) |
Foreign |  | (1,405) | 3,259 | (4,207) |
Income (loss) before income taxes |  | 9,674 | (38,920) | (25,556) |
Current [Abstract] |  |  |  |  |
Federal |  | (902) | 5,182 | 24,050 |
State |  | 136 | 1,499 | 5,604 |
Foreign |  | 602 | 2,493 | 2,150 |
Total current |  | (164) | 9,174 | 31,804 |
Deferred [Abstract] |  |  |  |  |
Federal |  | 4,174 | (7,090) | (10,544) |
State |  | 120 | 0 | (1,769) |
Foreign |  | (1,607) | (1,934) | 191 |
Total Deferred |  | 2,687 | (9,024) | (12,122) |
Total |  | $ 2,523 | 150 | 19,682 |
Federal statutory income tax rate |  | 35.00% |  |  |
The difference between income taxes computed at the federal statutory income tax rate and the provision for income taxes [Abstract] |  |  |  |  |
Income taxes computed at federal statutory rate |  | $ 3,386 | (13,622) | (8,945) |
State income taxes, net of federal benefit |  | 166 | 974 | 2,492 |
Non-tax deductible impairment expense computed at federal statutory rate |  | 0 | 15,765 | 24,444 |
Foreign adjustment |  | 140 | 689 | 1,353 |
Meals and entertainment |  | 361 | 620 | 801 |
Gain on sale of Vertex |  | (1,971) | 0 | 0 |
Domestic Production Activity Deduction |  | 0 | (1,143) | (1,040) |
Research and development tax credit |  | (886) | (1,730) | (587) |
Foreign tax credit |  | (383) | (921) | (343) |
Provision to return adjustments |  | 927 | 0 | 0 |
Other |  | 783 | (482) | 1,507 |
Total |  | 2,523 | 150 | 19,682 |
The net current and noncurrent components of deferred income tax balances [Abstract] |  |  |  |  |
Net current assets | $ 9,473 | 9,473 | 8,996 |  |
Net non-current liabilities | (18,986) | (18,986) | (6,312) |  |
Total deferred tax assets |  |  | 2,684 |  |
Net liabilities | (9,513) | (9,513) |  |  |
Deferred tax assets [Abstract] |  |  |  |  |
Goodwill | 4,029 | 4,029 | 9,136 |  |
Allowance for doubtful accounts | 2,469 | 2,469 | 2,692 |  |
Inventories | 3,944 | 3,944 | 3,312 |  |
Accruals | 1,978 | 1,978 | 2,354 |  |
Research and development credit carryforward | 886 | 886 | 0 |  |
Net operating loss carryforward | 760 | 760 | 730 |  |
Cumulative translation adjustment | 0 | 0 | 8,605 |  |
Capital loss carryforward | 18,903 | 18,903 | 0 |  |
Other | 309 | 309 | 730 |  |
Total deferred tax assets | 33,278 | 33,278 | 27,559 |  |
Less valuation allowance | (19,633) | (19,633) | (730) |  |
Total deferred tax asset, net of valuation Deferred tax liabilities | 13,645 | 13,645 | 26,829 |  |
Intangibles | (10,042) | (10,042) | (13,314) |  |
Property and equipment | (12,762) | (12,762) | (10,824) |  |
Unremitted foreign earnings | (354) | (354) | (259) |  |
Other | 0 | 0 | 252 |  |
Total deferred tax assets |  |  | 2,684 |  |
Net liabilities | $ (9,513) | $ (9,513) |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Percentage of valuation allowance to carryforward amounts | 100.00% | 100.00% |  |  |
Reduction in deferred tax assets | $ 8,600 |  |  |  |
Capital Loss Carryforward [Member] |  |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |  |
Capital loss carryforward | 49,900 | $ 49,900 |  |  |
Restatement Adjustment [Member] |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |
Error corrections for deferred tax assets | 8,600 |  | $ 4,600 | $ 2,700 | $ 1,300
Foreign Tax Authority [Member] |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Net operating loss carryforward | $ 2,700 | $ 2,700 |  |  |

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