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

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
- Fair Value Measurements (Tables)
Notes Details

Description of Organization and Business Operations (Details Textual)

v3.10.0.1

Description of Organization and Business Operations (Details Textual)		1 Months Ended	9 Months Ended
	Aug. 01, 2017 USD ($) $ / shares shares	Aug. 22, 2017 USD ($) shares	Sep. 30, 2018 USD ($) $ / shares	Sep. 30, 2018 £ / shares	Dec. 31, 2017 $ / shares
Sale of Stock, Price Per Share \| $ / shares	$ 10.20
Stock Issued During Period, Value, New Issues	$ 230,000,000
Deferred Offering Costs	13,300,000		$ 13,300,000
Proceeds from Issuance or Sale of Equity	$ 234,600,000
Share Price \| (per share)			$ 10.20	£ 0.02
Minimum Percentage of Redeem of Shares			15.00%
Percentage of Redeem of Public Shares			100.00%
Interest Expense			$ 100,000
IPO [Member]
Stock Issued During Period, Shares, New Issues \| shares	23,000,000
Stock Issued During Period, Value, New Issues	$ 23,000,000
Over-Allotment Option [Member]
Sale of Stock, Price Per Share \| $ / shares	$ 10.00
Stock Issued During Period, Shares, New Issues \| shares	3,000,000
Deferred Offering Costs	$ 8,050,000		$ 8,050,000
Private Placement [Member]
Sale of Stock, Price Per Share \| $ / shares	$ 1.00
Proceeds from Issuance of Warrants	$ 11,100,000	$ 277,500
Number Of Warrants Issued \| shares	11,100,000	55,500
Aggregate Number Of Warrants Issued \| shares		277,500
Common Class A [Member]
Common Stock, Par or Stated Value Per Share \| $ / shares			$ 0.0001		$ 0.0001

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