Note 16 - Loss Per Share - Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net loss	$ (9,757)	$ (12,185)	$ (25,756)	$ (4,870)
Net loss attributable to and accretion of redeemable noncontrolling interest	(517)	0	(1,413)	0
Net loss attributable to AvePoint, Inc.	(10,274)	(12,185)	(27,169)	(4,870)
Deemed dividends on preferred stock	608	(5,615)	(32,928)	(21,413)
Total net loss available to common shareholders	$ (9,666)	$ (17,800)	$ (60,097)	$ (26,283)
Weighted average common shares outstanding (in shares)	176,621	90,805	126,738	86,784
Effect of dilutive securities (in shares)	0	0	0	0
Weighted average diluted shares (in shares)	176,621	90,805	126,738	86,784
Basic loss per share available to common shareholders, excluding sponsor earn-out shareholders (in dollars per share)	$ (0.05)	$ (0.20)	$ (0.47)	$ (0.30)
Diluted loss per share available to common shareholders, excluding sponsor earn-out shareholders (in dollars per share)	$ (0.05)	$ (0.20)	$ (0.47)	$ (0.30)