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INCOME TAXES - NOL rollforward (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Net operating losses |  |
Net operating losses, beginning balance | $ 4,200 | $ 78,100
Permanent loss of tax benefit related to NOLs limited by ownership change |  | (72,500)
NOL generated (utilized) | (2,200) | (1,700)
Other, including changes in foreign exchange rates | 100 | 300
Net operating losses, end balance | 2,100 | 4,200
Unremitted earnings of non-US subsidiaries | 700 | 0
Unrecognized tax benefits | 0 | 0
Penalties or interest | 0 | 0
Federal |  |
Net operating losses |  |
Net operating losses, beginning balance | 1,600 |
Net operating losses, end balance | 1,000 | 1,600
Foreign |  |
Net operating losses |  |
Net operating losses, beginning balance | 300 |
Net operating losses, end balance | 100 | 300
State |  |
Net operating losses |  |
Net operating losses, beginning balance | 2,300 |
Net operating losses, end balance | $ 1,000 | $ 2,300

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