Note 12 - Mezzanine Equity and Stockholders' Deficiency (Details Textual) $ / shares in Units, $ in Thousands, $ in Millions, in Millions				9 Months Ended
	Jul. 01, 2021 $ / shares shares	Feb. 11, 2021 USD ($)	Feb. 11, 2021 SGD ($)	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2020 USD ($) shares	Jul. 26, 2021 $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 24, 2020 USD ($)	Dec. 24, 2020 SDG ( )
Common Stock, Shares Authorized (in shares)				1,000,000,000		1,000,000,000	243,360,000
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares				$ 0.0001		$ 0.0001	$ 0.0001
Common Stock, Shares, Issued, Total (in shares)				181,012,760			100,068,469
Business Combination, Share Exchange Ratio	8.69144
Number of Shares Subject to Vesting Provision (in shares)	2,916,700			0
Class of Warrant or Right, Outstanding (in shares)	17,500,000					17,905,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares	$ 11.50					$ 11.50
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)	1					1
Preferred Stock, Shares Authorized (in shares)				20,000,000		20,000,000
Preferred Stock, Shares Issued, Total (in shares)					0
Preferred Stock, Liquidation Preference, Value | $							$ 403,400
Dividends, Preferred Stock, Total | $				$ 0	$ 0
Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total				$ 4,631			$ 3,061	$ 7,500	10
Redeemable Noncontrolling Interest, Increase from Contribution by Noncontrolling Interest		$ 800	$ 1
Common Stock, Shares, Outstanding, Ending Balance (in shares)				181,012,760		180,272,638	100,068,469
AvePoint EduTech PTE. LTD. [Member]
Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total | $				$ 4,631			$ 3,061
Noncontrolling Interest, Ownership Percentage by Parent		76.09%	76.09%	76.09%				77.78%	77.78%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		23.91%	23.91%	23.91%				22.22%	22.22%
Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)				42,000,592			42,000,592
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares							$ 0.001
Preferred Stock, Shares Issued, Total (in shares)				0			42,000,592
Preferred Stock, Shares Outstanding, Ending Balance (in shares)				0			42,000,592
Public Warrant [Member]
Class of Warrant or Right, Outstanding (in shares)				17,500,000