Aptose Biosciences Inc. Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Note 12 - Subsequent Events	9 Months Ended
Note 12 - Subsequent Events	Sep. 30, 2018
Statement Line Items [Line Items]
Disclosure of events after reporting period [text block]	12. Subsequent Events Subsequent to the quarter end the Company issued 1,901,279 common shares pursuant to its ATM with Cantor Fitzgerald for gross proceeds of approximately $3.69 million and also issued 707,547 common shares under the 2018 Share Purchase Agreement for gross proceeds of $1.5 million. These transactions will be accounted for in the three months ended December 31, 2018.