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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2019
Summary Of Significant Accounting Policies  
Schedule of diluted shares using the treasury stock method
   Three months ended
March 31,
 
   2019   2018 
Shares used in computation of basic earnings (loss) per shares   9,506    8,211 
Total dilutive effect of stock options   570    - 
Shares used in computation of diluted earnings (loss) per share   10,076    8,211 
Schedulr of diluted incremental shares due to their antidilutive effect
   Three months ended
March 31,
 
   2019   2018 
Stock options   1,752    1,800 
Warrants   100    100 
Convertible debt   -    1,190 
    1,852    3,090