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Note 8 - Goodwill and Other Intangible Assets, Net (Details Textual) - USD ($)		1 Months Ended			3 Months Ended
	Mar. 31, 2020	Mar. 31, 2020	Feb. 29, 2020	Jan. 31, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Amortization of Intangible Assets, Total					$ 62,000	$ 2,000
Goodwill, Ending Balance	$ 28,388,000	$ 28,388,000			$ 28,388,000		$ 28,388,000
Average Closing Share Price (in dollars per share)	$ 18.87	$ 19.96	$ 25.90	$ 27.37
Share Price (in dollars per share)	$ 18.22	$ 18.22			$ 18.22
Goodwill, Impairment Loss					$ 0

X

- Definition

The average closing price (trading price) of the common stock of the entity in the open market during the period.

+ References

No definition available.

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- Definition

The price of a single share of a number of saleable stocks of a company based on the book value of the company.

+ References

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X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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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.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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