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Net Loss Per Share (Tables)
9 Months Ended
Sep. 30, 2019
Earnings Per Share [Abstract]  
Schedule of antidilutive excluded from calculation of earnings per share

   For the Three and Nine Months Ended 
   September 30,
2019
   September 30,
2018
 
         
Stock options   1,077    1,056 
Warrants   2,812    1,828