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Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of stock-based compensation expense

   Three months ended
June 30,		   Six months ended
June 30,		 
   2019   2018   2019   2018 
Sales and marketing  $-   $(2)  $-   $6 
General and administrative   -    19    -    23 
Total stock-based compensation expense  $-   $17   $-   $29 
Schedule of the combined activity under all of the stock option plans
    Number of
Options
Outstanding		     Weighted
Average
Exercise
Price		  
Outstanding at January 1, 2019     99,800     $ 34.55  
Cancelled     -       -  
Expired     (44,300 )     42.50  
Outstanding at June 30, 2019     55,500     $ 28.20