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9. Loss per Share (Tables)
12 Months Ended
Dec. 31, 2018
Loss Per Share  
Schedule of computation of basic and diluted income per share
    Years Ended December 31,  
    2018     2017  
Numerator:            
Net loss from continuing operations numerator for basic and diluted earnings per share   $ (195 )   $ (3,626 )
Denominator:                
Denominator for basic loss per share weighted average shares     13,463,826       13,624,649  
Effect of dilutive securities:                
Stock options            
Denominator for diluted loss per share weighted average shares     13,463,826       13,624,649  
Basic loss per share   $ (0.01 )   $ (0.27 )
Diluted loss per share   $ (0.01 )   $ (0.27 )