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

Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	5 Months Ended
	Apr. 30, 2019 USD ($)	Oct. 31, 2018 USD ($)
Accounts Receivable, Allowance for Credit Loss, Ending Balance	$ 200	$ 700
Inventory Valuation Reserves, Ending Balance	0	$ 0
Impairment of Long-Lived Assets Held-for-use	$ 0
Supplier Concentration Risk [Member] \| Cost of Goods and Service Benchmark [Member]
Number of Vendors	3	3
Customer Concentration Risk [Member] \| Revenue Benchmark [Member]
Number of Major Customers	0
Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Number of Major Customers	0