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Note 9 - Intangible Assets - Core Deposit Intangible Assets Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Beginning intangibles, net	$ 3,959,260
Amortization	(826,020)	$ (609,624)
Ending intangible asset, net	3,133,240	3,959,260
Core Deposits [Member]
Beginning intangibles, net	3,959,000	2,678,000
Acquisition	0	1,891,000
Amortization	(826,000)	(610,000)
Ending intangible asset, net	$ 3,133,000	$ 3,959,000

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.

+ References

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X

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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