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Note 1 - Summary of Significant Accounting Policies (Details) - Estimated Useful Lives and Methods of Depreciation	12 Months Ended
	Dec. 31, 2015
Banking Premises [Member]
Note 1 - Summary of Significant Accounting Policies (Details) - Estimated Useful Lives and Methods of Depreciation [Line Items]
Property, plant and equipment, depreciation method	Straight-Line and Accelerated
Furniture and Equipment [Member]
Note 1 - Summary of Significant Accounting Policies (Details) - Estimated Useful Lives and Methods of Depreciation [Line Items]
Property, plant and equipment, depreciation method	Straight-Line and Accelerated
Minimum [Member] | Banking Premises [Member]
Note 1 - Summary of Significant Accounting Policies (Details) - Estimated Useful Lives and Methods of Depreciation [Line Items]
Property, plant and equipment, useful life	15 years
Minimum [Member] | Furniture and Equipment [Member]
Note 1 - Summary of Significant Accounting Policies (Details) - Estimated Useful Lives and Methods of Depreciation [Line Items]
Property, plant and equipment, useful life	5 years
Maximum [Member] | Banking Premises [Member]
Note 1 - Summary of Significant Accounting Policies (Details) - Estimated Useful Lives and Methods of Depreciation [Line Items]
Property, plant and equipment, useful life	40 years
Maximum [Member] | Furniture and Equipment [Member]
Note 1 - Summary of Significant Accounting Policies (Details) - Estimated Useful Lives and Methods of Depreciation [Line Items]
Property, plant and equipment, useful life	10 years

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- References

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- Definition

Description of the methodology for computing depreciation for classes of depreciable assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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