Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Schedule of Earnings Per Share) (Details)

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NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Schedule of Earnings Per Share) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Net income (loss) attributable to common shareholders:                      
Net income (loss) attributable to common shareholders $ (2,916) $ 1,497 $ 67 $ 498 $ (17,358) $ 2,443 $ (187) $ 2,160 $ (854) $ (12,942) $ 2,139
Basic weighted-average shares outstanding (in shares)                 19,123 18,882 18,731
Basic earnings (loss) per share attributable to common shareholders:                      
Net Income (loss) (in dollars per share) $ (0.15) $ 0.08 $ 0.00 $ 0.03 $ (0.92) $ 0.13 $ (0.01) $ 0.11 $ (0.04) $ (0.69) $ 0.11
Diluted Shares Outstanding                      
Stock-based awards (in shares)                 0 0 325
Diluted weighted-average shares outstanding                 19,123 18,882 19,056
Diluted earnings (loss) per share attributable to common shareholders:                      
Net income (loss) (in dollars per share) (0.15) 0.08 0.00 0.03 (0.92) 0.13 (0.01) 0.11 $ (0.04) $ (0.69) $ 0.11
Net income (loss) (in dollars per share) $ (0.15) $ 0.08 $ 0.00 $ 0.03 $ (0.92) $ 0.13 $ (0.01) $ 0.11 $ (0.04) $ (0.69) $ 0.11
Potentially dilutive shares excluded from diluted-per-share amounts:                      
Stock options (in shares)                 0 0 288
Potentially anti-dilutive shares excluded from diluted-per-share amounts:                      
Stock options (in shares)                 2,119 2,118 1,347
Options Outstanding (in shares) 1,064       1,390       1,064 1,390  
RSUs                      
Potentially anti-dilutive shares excluded from diluted-per-share amounts:                      
RSU's outstanding (in shares) 1,055       728       1,055 728