Note 7 - Premises and Equipment, Net - Components of Premises and Equipment (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Total cost	$ 16,584,734	$ 16,882,037
Accumulated depreciation and amortization	(7,593,779)	(7,323,094)
Net book value	8,990,955	9,558,943
Land and Land Improvements [Member]
Total cost	2,452,807	2,452,807
Building and Building Improvements [Member]
Total cost	12,250,011	12,264,369
Furniture and Fixtures [Member]
Total cost	1,790,529	2,073,474
Automobiles [Member]
Total cost	$ 91,387	$ 91,387

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services including amounts attributable to disposal group held for sale or disposed of.

No definition available.

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.14)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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