Item 7.01 Regulation FD Disclosure.

On December 18, 2020, the holders of our outstanding common stock purchase warrants completed the exercise of a total of 2,666,459 warrants for the gross proceeds of $3,333,074. Each warrant entitled its holder to purchase one share of our common stock at an exercise price of $1.25 per share and was scheduled to expire by its terms in September 2021.

On December 31, 2020, the holder of a promissory note issued by us in the principal amount of $1,200,000 converted all principal and accrued interest, totaling $1,392,208, into 1,113,767 shares of our common stock at the conversion price of $1.25 per share.

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