Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Goodwill and Intangible Assets (Details Textual)

v3.22.0.1
Note 8 - Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Amortization of Intangible Assets, Total $ 5,739 $ 6,913
US Concrete Waste Management Services [Member]    
Goodwill, Impairment Loss $ 0