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Nature of Company and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]  
Schedule of Computation of Diluted Net Loss Per Share

For the years ended December 31, 2018 and 2017, the following convertible preferred stock and warrants and options to purchase shares of common stock were excluded from the computation of diluted net loss per share, as the inclusion of such shares would be anti-dilutive:

 

    Year Ended December 31,
    2018   2017
Series A Convertible Preferred Stock     5,425,000       5,875,000  
Series B Convertible Preferred Stock     2,320,556       2,487,222  
Stock warrants     12,500       3,651,680  
Stock options     4,978,832       6,012,165  
Totals     12,736,888       18,026,067