Document and Entity Information
Document and Entity Information | Nov. 04, 2021 |
Cover [Abstract] | |
Entity Address, Country | CA |
Amendment Flag | false |
Entity Central Index Key | 0000882361 |
Document Type | 8-K |
Document Period End Date | Nov. 4, 2021 |
Entity Registrant Name | Aptose Biosciences Inc. |
Entity Incorporation State Country Code | Z4 |
Entity File Number | 001-32001 |
Entity Tax Identification Number | 98-1136802 |
Entity Address, Address Line One | 251 Consumers Road |
Entity Address, Address Line Two | Suite 1105 |
Entity Address, City or Town | Toronto |
Entity Address, State or Province | ON |
Entity Address, Postal Zip Code | M2J 4R3 |
City Area Code | (647) |
Local Phone Number | 479-9828 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |
Security 12b Title | Common Shares, no par value |
Trading Symbol | APTO |
Security Exchange Name | NASDAQ |