Note 2 - Acquisition - Estimated Fair Value and Annual Amortization (Details) - UEHC [Member] $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($)
Year 1	$ 726
Year 2	366
Year 3	366
Year 4	366
Year 5	366
Total, estimated fair value	8,870
Customer Relationships [Member]
Finite-lived, estimated fair value	$ 4,100
Amortization period (Year)	15 years
Year 1	$ 273
Year 2	273
Year 3	273
Year 4	273
Year 5	273
Trade Names [Member]
Indefinite-lived, estimated fair value	3,150
Customer Contracts [Member]
Finite-lived, estimated fair value	$ 1,140
Amortization period (Year)	15 years
Year 1	$ 76
Year 2	76
Year 3	76
Year 4	76
Year 5	76
Backlog [Member]
Finite-lived, estimated fair value	$ 360
Amortization period (Year)	1 year
Year 1	$ 360
Year 2	0
Year 3	0
Year 4	0
Year 5	0
Technology-Based Intangible Assets [Member]
Finite-lived, estimated fair value	$ 120
Amortization period (Year)	7 years
Year 1	$ 17
Year 2	17
Year 3	17
Year 4	17
Year 5	$ 17

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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