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8. Calculation of Basic and Diluted Earnings per Share (Tables)
12 Months Ended
Dec. 31, 2016
Income (Loss) per common share:  
Schedule of Computation of Basic and Diluted Earnings Per Share
(in thousands, except per share amounts)   Years Ended December 31,
    2016   2015
Numerator:        
Net Income (Loss) $ 444  $ (6,364)
         
Denominator:        
Denominator for basic earnings (loss) per share
- weighted-average shares
  3,376    3,014 
Dilutive potential common shares   78   
Denominator for diluted earnings (loss) per share -
weighted-average shares and assumed conversions
  3,454    3,014 
         
Basic and diluted earnings (loss) per common share $ 0.13  $ (2.11)