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

Note 1 - Reporting Entity	9 Months Ended
Note 1 - Reporting Entity	Sep. 30, 2018
Statement Line Items [Line Items]
Disclosure of notes and other explanatory information [text block]	1. Reporting Entity Aptose Biosciences Inc. ("Aptose" or the "Company") is a clinical-stage biotechnology company committed to developing highly differentiated therapeutics that target the underlying mechanisms and unmet medical needs in oncology. Aptose is a publicly listed company incorporated under the laws of Canada. The Company's shares are listed on the Nasdaq Capital Markets and the Toronto Stock Exchange. The head office, principal address and records of the Company are located at 251 Consumers Road, Suite 1105, Toronto, ON, M2J 4R3.