Aptose Biosciences Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

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

Note 12 - Subsequent Event (Details Textual)

v3.23.2

Note 12 - Subsequent Event (Details Textual) - USD ($)			3 Months Ended		6 Months Ended		12 Months Ended
Note 12 - Subsequent Event (Details Textual) - USD ($)	Aug. 10, 2023	Jul. 01, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Shares issued under ESPP					1,438	0	724
The 2022 Atm Offering [Member]
Common shares issued under the 2022 ATM Facility (in shares)	303,433				171,253		4,836
Shares Issued, Price Per Share (in dollars per share)	$ 5.90		$ 6.88		$ 6.88		$ 10.81
Proceeds from Issuance of Common Stock, Gross	$ 1,790,000				$ 1,200,000		$ 52,000
Proceeds from Issuance of Common Stock	$ 1,740,000		$ 1,109,000	$ 0	$ 1,143,000	$ 0	$ 51,000
Stock Issuance, Percent of Cash Commission to Broker			3.00%		3.00%
Subsequent Event [Member]
Shares issued under ESPP		4,453
Subsequent Event [Member] \| Hanmi Pharmaceuticals Co., Ltd. [Member]
Number of shares hold	215,703
Subsequent Event [Member] \| Hanmi Pharmaceuticals Co., Ltd. [Member] \| First Tranche [Member]
Investment for ownership interest	$ 3,000,000
Subsequent Event [Member] \| Maximum [Member] \| Hanmi Pharmaceuticals Co., Ltd. [Member]
Percentage of investment	19.99%
Investment for ownership interest	$ 7,000,000
Subsequent Event [Member] \| Maximum [Member] \| Hanmi Pharmaceuticals Co., Ltd. [Member] \| Second Tranche [Member]
Investment for ownership interest	4,000,000
Subsequent Event [Member] \| Keystone [Member]
Net proceeds	$ 50,000
Number of shares sold	11,421
Subsequent Event [Member] \| The 2022 Atm Offering [Member]
Common shares issued under the 2022 ATM Facility (in shares)		127,344
Shares Issued, Price Per Share (in dollars per share)		$ 4.39
Proceeds from Issuance of Common Stock, Gross		$ 559,000
Proceeds from Issuance of Common Stock		$ 542,000
Stock Issuance, Percent of Cash Commission to Broker	3.00%

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