NET INCOME (LOSS) PER SHARE Dilutive (Details) - shares shares in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Earnings Per Share, Diluted
Weighted average common shares outstanding - basic	16,195	15,815
Dilutive securities (in shares)	0	1,180
Weighted average common shares outstanding - diluted	16,195	16,995
Stock Options
Earnings Per Share, Diluted
Dilutive securities (in shares)	0	1,085
Restricted Stock/Deferred Stock Units
Earnings Per Share, Diluted
Dilutive securities (in shares)	0	95

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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