Concrete Pumping Holdings, Inc. Annual report pursuant to Section 13 and 15(d)

Note 16 - Earnings Per Share (Details Textual)	1 Months Ended	12 Months Ended
Note 16 - Earnings Per Share (Details Textual)	Dec. 05, 2018 shares	Oct. 31, 2020 $ / shares shares	Dec. 06, 2018 $ / shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	932,746
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares		$ 11.50	$ 11.50
Dividends, Common Stock, Ratio		1
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		13,017,777
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		5,600,000
Vested Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		1,200,000
Unvested Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		600,000
Series A Preferred Stocks [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		2,500,000