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9. Income per Share (Tables)
12 Months Ended
Dec. 31, 2015
Income Per Share Tables  
Schedule of computation of basic and diluted income per share
    Years ended December 31,  
    2015     2014  
Numerator:            
Net income from continuing operations numerator for basic and diluted earnings per share   $ 1,041     $ 1,623  
Denominator:                
Denominator for basic earnings per share weighted average shares     13,705,825       13,647,460  
Effect of dilutive securities:                
Stock options     141,732       107,742  
Denominator for diluted earnings per share weighted average shares     13,847,557       13,755,202  
Basic income per share   $ 0.08     $ 0.12  
Diluted income per share   $ 0.08     $ 0.12