Note 13 - Subsequent Events (Details Textual) - USD ($)	Mar. 14, 2018	Feb. 12, 2018	Jan. 31, 2018	Oct. 31, 2017
Common Stock, Par or Stated Value Per Share			$ 0.001	$ 0.001
Cott and Purchaser [Member] | Subsequent Event [Member]
Common Stock, Par or Stated Value Per Share		$ 0.001
Share Price		$ 0.97
Cott and Purchaser [Member] | Subsequent Event [Member] | Executive Officer [Member]
Salaries, Wages and Officers' Compensation	$ 200,000
Termination, Benefit Allowed Per Year	$ 25,000