Concrete Pumping Holdings, Inc. Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Business Combinations and Asset Acquisitions (Details Textual) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 30, 2021	Sep. 30, 2021	Apr. 30, 2022	Jan. 31, 2022	Jul. 31, 2022	Jul. 31, 2021	Oct. 31, 2021
Payments to Acquire Productive Assets, Total							$ 20,600
Payments to Acquire Property, Plant, and Equipment, Total					$ 80,967	$ 34,558
Payments to Acquire Intangible Assets					$ 1,450	$ (0)
Pioneer Concrete Pumping Services [Member]
Payments to Acquire Productive Assets, Total	$ 20,200		$ 11,400	$ 20,200
Payments to Acquire Property, Plant, and Equipment, Total	19,100	$ 11,500
Payments to Acquire Intangible Assets	$ 1,100
Pioneer Concrete Pumping Services [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	3 years
Pioneer Concrete Pumping Services [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	5 years
Hi-Tech Concrete Pumping Services [Member]
Payments to Acquire Productive Assets, Total		12,300
Payments to Acquire Intangible Assets		$ 800
Hi-Tech Concrete Pumping Services [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		3 years
Hi-Tech Concrete Pumping Services [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		5 years