Business (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | |||
|---|---|---|---|---|
Feb. 07, 2023 |
Mar. 31, 2023 |
Mar. 31, 2022 |
Dec. 31, 2022 |
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| Debt Instrument [Line Items] | ||||
| Cash and cash equivalents | $ 16,687 | $ 38,469 | $ 13,172 | |
| Net loss | (9,955) | (22,051) | ||
| Net cash used in operating activities | (10,052) | $ (16,067) | ||
| Accumulated deficit | (313,779) | (303,824) | ||
| Warrant exercise price (in dollars per share) | $ 5.00 | |||
| Underwritten Public Offering | ||||
| Debt Instrument [Line Items] | ||||
| Sale of stock (in shares) | 3,770,000 | |||
| Net proceeds | $ 13,700 | |||
| Notes Payable | Horizon & Powerscourt Notes | ||||
| Debt Instrument [Line Items] | ||||
| Notes payable, outstanding | 21,244 | $ 21,244 | ||
| Due in 2023 | $ 5,930 | |||
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Cash received on stock transaction after deduction of issuance costs. No definition available.
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- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. No definition available.
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- Definition Per share increase in exercise price of warrant. Excludes change due to standard antidilution provision. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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