Quarterly report pursuant to Section 13 or 15(d)

4. Stock Option Plan (Tables)

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4. Stock Option Plan (Tables)
 3 Months Ended
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock option activity
          Options Outstanding  
    Options Available     Number of Options     Weighted-Average Exercise Price  
Balances at January 1, 2017     420,000       280,000     $ 0.001  
Option pool increase (1)     900,000                  
Granted (2)     (378,592 )     378,592       1.63  
Forfeited     —       —       —  
Exercised     —       —       —  
Balances at December 31, 2017     941,408       658,592       0.94  
Granted (3)     (32,004 )     32,004       6.00  
Forfeited     —       —       —  
Exercised     —       —       —  
Balances at March 31, 2018     909,404       690,596     $ 1.17  
Summary of options outstanding
  Exercise Prices     Number of Shares Outstanding  

Weighted

Average

Remaining

Contractual

Term

   Number of Shares Fully Vested and Exercisable  

Weighted

Average

Remaining

Contractual

Term
  $ 0.001       555,520    8.5 years     354,620    8.2 years
  $ 6.00       135,076    9.6 years     27,348   9.6 years
          690,596       381,968