Note 4 - Revenue (Details Textual) $ in Thousands	Jun. 30, 2023 USD ($)
Fleet Vehicles and Services [Member]
Revenue, Remaining Performance Obligation, Amount	$ 437,802
Specialty Vehicles [Member]
Revenue, Remaining Performance Obligation, Amount	$ 72,402

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-13

Name:	us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant