Subsequent Events

12 Months Ended

Dec. 31, 2021

Subsequent Events [Abstract]

Subsequent Events

Note 18.  Subsequent Events

On February 8, 2022, the Company closed the sale of shares under its public offering in which it sold 9,535,000 shares of common stock, 27,602,893 each of Series A and Series B warrants and 14,467,893 pre-funded warrants resulting in cash proceeds of approximately $10.2 million, net of $1.9 million of underwriting discounts and other offering expenses. In addition, the Company may incur additional offering expenses of between approximately $0.7 million and $0.9 million for a potential tail fee owed to its former placement agent. On February 10, 2022, the underwriter partially exercised its overallotment option and purchased an additional 1,245,116 shares of common stock, resulting in cash proceeds of approximately $0.5 million, net of underwriting discounts.

On January 18, 2022, H.C. Wainwright & Co. delivered written notice to the Company that it was terminating the ATM Agreement dated January 26, 2021. During the year ended December 31, 2021, the Company sold 3,811,170 shares of common stock for gross proceeds of approximately $16.0 million.