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8. Loss per Share (Tables)
3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Computation of basic and diluted loss per share
    Three Months Ended  
    March 31, 2021     March 31, 2020  
Numerator:            
Net loss (for basic and diluted loss per share)   $ (694 )   $ (1,192 )
Denominator for basic loss per share weighted average shares     12.517,412       12,555,108  
Effect of dilutive securities:                
Options and restricted stock units            
Denominator for diluted loss per share weighted average shares     12,517,412       12,555,108  
Basic and diluted loss per share   $ (0.06 )   $ (0.09 )