Shelf Registration and At-the-Market Offering	3 Months Ended
Mar. 31, 2023
Shelf Registration And At The Market Offering [Abstract]
Shelf Registration and At-the-Market Offering	6. Shelf Registration and At-the-Market Offering On August 3, 2021, the Company filed a shelf registration statement on Form S-3 with the SEC, which was declared effective by the SEC on August 19, 2021 and provides that the Company may offer its common stock, preferred stock, debt securities, warrants, subscription rights and units having an aggregate offering price of up to $100,000. As part of this 2021 registration statement, the Company entered into a third equity distribution agreement with JMP Securities and established a new $50,000 “at-the-market” securities offering facility, pursuant to which, the Company may be able to issue and sell shares of the Company common stock. During the year ended December 31, 2022, the Company sold 1,073 shares of its common stock under this new equity distribution agreement and received proceeds of approximately $1,333, net of offering costs of $95 at a weighted average sales price of $1.33 per share. In accordance with the SEC’s Instruction I.B.6 of Registration Statement on Form S-3, the Company adjusted the maximum aggregate market value of the securities that may be sold pursuant to this current "at-the-market" securities offering facility from $50,000 to approximately $22,800 based on the market capitalization of the Company on the date it filed its Annual Report on Form 10-K for the year ended December 31, 2021.

Shelf Registration and At-the-Market Offering

3 Months Ended

Mar. 31, 2023

Shelf Registration And At The Market Offering [Abstract]

Shelf Registration and At-the-Market Offering

6. Shelf Registration and At-the-Market Offering

On August 3, 2021, the Company filed a shelf registration statement on Form S-3 with the SEC, which was declared effective by the SEC on August 19, 2021 and provides that the Company may offer its common stock, preferred stock, debt securities, warrants, subscription rights and units having an aggregate offering price of up to $100,000. As part of this 2021 registration statement, the Company entered into a third equity distribution agreement with JMP Securities and established a new $50,000 “at-the-market” securities offering facility, pursuant to which, the Company may be able to issue and sell shares of the Company common stock. During the year ended December 31, 2022, the Company sold 1,073 shares of its common stock under this new equity distribution agreement and received proceeds of approximately $1,333, net of offering costs of $95 at a weighted average sales price of $1.33 per share. In accordance with the SEC’s Instruction I.B.6 of Registration Statement on Form S-3, the Company adjusted the maximum aggregate market value of the securities that may be sold pursuant to this current "at-the-market" securities offering facility from $50,000 to approximately $22,800 based on the market capitalization of the Company on the date it filed its Annual Report on Form 10-K for the year ended December 31, 2021.