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Subsequent Event | 6 Months Ended
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Jun. 30, 2022
Subsequent Event [Abstract] |
Subsequent Event | Note 6 – Subsequent Event Since June 30, 2022, the Company has sold 0.3 million shares of common stock under its A&R Sales Agreement, resulting in net proceeds of $1.4 million. On August 2, 2022, warrants to purchase an aggregate of 0.6 million shares of common stock expired. These warrants were issued on August 2, 2017, when the Company completed an underwritten offering of 0.7 million shares of its common stock and warrants to purchase an aggregate of 0.6 million shares of its common stock at a price of $22.50 per share and related warrant. The warrants were exercisable for a period of 5 years at an exercise price of $31.50 per share. As of August 12, 2022, the Company has 1.4 million warrants outstanding.

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI https://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 https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662 + Details
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