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Net Income Per Share (Tables)
 9 Months Ended
Sep. 30, 2019
Earnings Per Share [Abstract]  
Schedule of reconciliation of the numerator and denominator of Basic EPS to the numerator and denominator of Diluted EPS
Following is a reconciliation of the numerator and denominator of Basic EPS to the numerator and denominator of Diluted EPS for the three and nine months ended September 30, 2019 and 2018 (dollar and share amounts in thousands, except for per share information): 
 Three Months Ended
September 30,		Nine Months Ended
September 30,
 2019201820192018
Net income attributable to common shareholders$1,317  $1,497  $5,763  $2,062  
Basic weighted average shares outstanding19,313  19,164  19,291  19,094  
Basic earnings per share attributable to common shareholders$0.07  $0.08  $0.30  $0.11  
Diluted shares outstanding:    
Basic weighted-average shares outstanding19,313  19,164  19,291  19,094  
Stock-based awards349  218  327  312  
Diluted weighted-average shares outstanding19,662  19,382  19,618  19,406  
Diluted earnings per share attributable to common shareholders$0.07  $0.08  $0.29  $0.11  
Dilutive shares excluded from diluted-per-share amounts:    
Stock options439  105  439  105  
Anti-dilutive shares excluded from diluted-per-share amounts:    
Stock options218  1,036  243  1,011