Note 16 - Commitments and Contingencies (Details Textual) - USD ($)	Mar. 11, 2024	Feb. 08, 2023	Jan. 30, 2023	Jun. 27, 2022
Atlas Data Privacy Corp., et al. v. Verisk Analytics, Inc. [Member]
Loss Contingency, Damages Per Violation		$ 1,000
Ahringer et al. v. LoanDepot, Inc. and Verisk Analytics [Member]
Loss Contingency, Aggregate Claims of Proposed Class			$ 5,000,000
Williams v. DDR Merida, LLC and Lead Intelligence, Inc. [Member]
Loss Contingency, Damages Per Violation				$ 5,000
Government Contracts Within Former Financial Services Segment Sold to TransUnion [Member]
Litigation Settlement, Amount Awarded to Other Party	$ 37,000,000