Note 3 - Acquisition of KSB (Details Textual) - USD ($) $ in Thousands		12 Months Ended
May 01, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill, Ending Balance		$ 12,513	$ 682	$ 682
King Bancorp Inc. [Member]
Payments to Acquire Businesses, Gross	$ 28,000
Goodwill, Ending Balance	$ 11,831	12,000
Business Acquisition, Pro Forma Revenue		$ 4,000

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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