Note 5 - Fair Value Measurements (Details Textual) - Contingent Earn-out Consideration [Member] - USD ($) $ in Thousands		2 Months Ended
Jan. 04, 2021	Nov. 30, 2020	Dec. 31, 2021
Fair Value Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Annual Installment Payable			$ 250
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements	$ 147	$ 500

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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