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Note 19 - Subsequent Events (Details Textual) - Subsequent Event [Member] $ / shares in Units, $ in Millions	Jul. 26, 2023 USD ($) $ / shares shares
Proceeds from Issuance of Private Placement | $	$ 120.0
Monograph Capital Partners [Member]
Proceeds from Issuance of Private Placement | $	$ 15.0
Pre-funded Warrant [Member]
Class of Warrants or Rights, Issuance Price Per Share (in dollars per share) | $ / shares	$ 9.539
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares	$ 0.001
Private Placement [Member]
Stock Issued During Period, Shares, New Issues (in shares) | shares	12,579,156
Shares Issued, Price Per Share (in dollars per share) | $ / shares	$ 9.54
Placement Agents and Financial Advisors Fees | $	$ 3.6
Private Placement [Member] | Monograph Capital Partners [Member]
Stock Issued During Period, Shares, New Issues (in shares) | shares	1,572,327

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+ References

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+ References

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-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
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