Note 4 - Disposals (Details Textual) - Assets of Automotive Specialty Finance Leads Group [Member] - Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2016
Disposal Group, Including Discontinued Operation, Consideration		$ 1.6
Proceeds from Sale of Productive Assets, Total	$ 0.3

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration