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Consolidated Statements of Convertible Redeemable Preferred Stock and Stockholders’ Equity (Deficit) (Parentheticals) - Total Onconetix Equity (Deficit) | 12 Months Ended
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Dec. 31, 2022 USD ($)
Issuance of common stock in initial public offering, net | $ 2.9
Issuance of common stock and warrants in April private placement, net | 1.1
Issuance of common stock and warrants in August private placement, net | $ 2.2

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