Quarterly report pursuant to Section 13 or 15(d)

EARNINGS PER SHARE (Details)

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EARNINGS PER SHARE (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Earnings Loss Per Share Tables Abstract        
Weighted-average common shares outstanding - basic 23,713,827 24,285,803 23,760,163 24,202,788
Dilutive effect of options, warrants and restricted stock units 2,407,507 1,839,418 2,311,832
Weighted-average common shares outstanding - diluted 23,713,827 26,693,310 25,599,581 26,514,620
Options and restricted stock units excluded from the computation of diluted income per share because the effect of inclusion would have been anti-dilutive 2,407,500