Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
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| At the Market Offering [Member] | ||
| Stock issuance costs | $ 1.5 | |
| Private Placement [Member] | ||
| Stock issuance costs | $ 0.1 | |
| Stock issuance costs | $ 0.3 | |
| X | ||||||||||
- Definition Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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| X | ||||||||||
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