Subsequent Events	3 Months Ended
Mar. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	9. Subsequent Events On May 10, 2021, the Company entered into an At Market Issuance Sales Agreement (the “ATM Agreement”) with B. Riley Securities, Inc. (“B Riley”), under which the Company may offer and sell from time to time, at its sole discretion, shares of its common stock having an aggregate offering price of up to $25 million through B. Riley as its sales agent. The Company agreed to pay B. Riley a commission of 3.0% of the gross proceeds of the sales price per share of any common stock sold through B. Riley under the ATM Agreement. In connection its entering into the ATM Agreement, on May 10, 2021, the Company filed a shelf registration statement on Form S-3 with the SEC for a maximum aggregate offering price of $100,000,000, which included a base prospectus and a sales agreement prospectus covering the shares to be sold under the ATM Agreement.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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