Consolidated Statements of Cash Flows (Parentheticals) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
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| At the Market Offering [Member] | Common Stock [Member] | ||
| Stock issuance costs | $ 1.2 | $ 1.2 |
| X | ||||||||||
- Definition The cash outflow for cost incurred directly with the issuance of an equity security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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| X | ||||||||||
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