Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Tables)

v3.19.2
Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2019
Accounting Policies [Abstract]  
Schedule of warranty liability

   

For the Six Months

Ended June 30,

 
    2019     2018  
Balance at beginning of period   $ 24,190     $ 21,935  
Increase in estimated warranty liability     4,650       2,741  
Warranty expenses incurred     (1,737 )     (660 )
Balance at end of period   $ 27,103     $ 24,016  

Schedule of diluted common shares outstanding

    June 30,
2019
    June 30,
2018
 
Convertible notes     6,044,444       -  
Stock options     11,445,698       14,494,213  
Warrants     1,000,000       -  
Non-vested, forfeitable common shares     5,875,299       -