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

Note 15 - Earnings Per Share (Details Textual) - $ / shares	3 Months Ended
	Jan. 31, 2021	Dec. 06, 2018
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 11.50	$ 11.50
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	13,017,777
Unvested Stock Awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	3,100,000
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)	500,000
Series A Preferred Stocks [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	2,500,000