Aptose Biosciences Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Note 2 - Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 8 - Share capital (Details Textual)

v3.26.1

Note 8 - Share capital (Details Textual) - USD ($)		3 Months Ended
Note 8 - Share capital (Details Textual) - USD ($)	Feb. 07, 2025	Mar. 31, 2025	Mar. 31, 2026	Feb. 03, 2025
Hanmi Pharmaceuticals Co Ltd [Member]
Class of Stock [Line Items]
Shares Issued, Price Per Share (in dollars per share)			$ 51.3
Warrants to purchase common shares, number of warrants			77,972
2025 Committed Equity Facility [Member]
Class of Stock [Line Items]
Percentage of common shares outstanding.	19.99%
2025 Committed Equity Facility [Member] \| Maximum [Member]
Class of Stock [Line Items]
Stock Issuance Program, Authorized Amount	$ 25,000,000
Amount agreed to pay for reasonable expenses under purchase agreement	$ 25,000,000
2025 Committed Equity Facility [Member] \| Commitment Shares [Member]
Class of Stock [Line Items]
Stock issuance program authorized shares	8,020
Common shares issued (in shares)	0
The 2025 ATM Offering [Member]
Class of Stock [Line Items]
Common shares issued (in shares)		137,000
Issuance of common shares under the ESPP share purchase		$ 800,000
Stock Issuance Program, Authorized Amount				$ 1,000,000
Shares Issued, Price Per Share (in dollars per share)		$ 7.31
Proceeds from Issuance of Common Stock, Gross		$ 1,000,000
Stock Issuance, Percent of Cash Commission to Broker				3.00%

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