Note 2 - Business Acquisition - Unaudited Pro Forma Information (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2019 USD ($) $ / shares shares
Revenue | $	$ 67,096
Net income | $	$ 4,815
Basic (in dollars per share) | $ / shares	$ 0.51
Diluted (in dollars per share) | $ / shares	$ 0.49
Basic (in shares) | shares	9,358,836
Diluted (in shares) | shares	9,854,604