Basis of Presentation and Going Concern Uncertainty (Details Narrative) - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | |||
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Mar. 31, 2023 |
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2022 |
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Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | ||||
Net loss | $ 4,386 | $ 4,811 | ||
Net cash used in operating activities | 4,802 | 5,246 | ||
Cash and cash equivalents | 8,648 | $ 14,042 | ||
Accumulated deficit | 145,737 | $ 141,351 | ||
Proceeds from issuance of common stock | $ 121 | $ 3,116 | ||
Equity Distribution Agreement [Member] | ||||
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | ||||
Number of common stock sold, shares | 119 | |||
Proceeds from issuance of common stock | $ 102 | |||
Proceeds from net of issuance costs | $ 19 | |||
Equity Distribution Agreement [Member] | Maximum [Member] | ||||
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | ||||
Aggregate of offering cost | $ 25,000 |
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- Definition Aggregate of offering cost. No definition available.
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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://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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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://www.xbrl.org/2003/role/disclosureRef
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- Definition The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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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