On June 10, 2016, the Company issued to BICX Holding Company, LLC a $2,500,000 senior secured convertible promissory note due March 3, 2020 and bearing interest at 8% per annum due annually beginning June 10, 2018. On March 3, 2017 the convertible promissory note was subsequently amended and is convertible into 42.43% of the Company’s total authorized common stock and the Company received additional investment of $1,660,000 from the holder. The note will be convertible into a fixed number of shares of common stock equal to 42.43% (2,227,575 shares) of the total authorized common stock as of March 3, 2017 (closing). As of June 30, 2018, the convertible promissory note had a balance of $4,160,000.

 During the three and six months ended June 30, 2019, the Company amortized $289,394 and $656,231, respectively, of the debt discount to current period interest expense.

The interest expense during the three and six months ended June 30, 2019 was $82,972 and 165,032, respectively.