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Loss Per Share (Tables)
3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares

  Loss per common share have been computed based on the following:

 

    Three Months Ended
March 31,
 
    2018     2017  
Weighted-average number of common shares outstanding used to calculate basic and diluted loss per common share     1,173,018       1,103,447