Note 14 - Goodwill and Goodwill Impairment	3 Months Ended
Mar. 31, 2021
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	14. Goodwill and Goodwill Impairment The Company’s policy is to assess goodwill for impairment at the reporting unit level on an annual basis or between annual assessments if a triggering event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount. Impairment is the condition that exists when the carrying amount of goodwill exceeds its implied fair value.

The entire disclosure for goodwill and intangible assets.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-URI http://asc.fasb.org/topic&trid=2144416

Name:	us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration