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Note 2 - Recent Accounting Pronouncements (Details Textual) - USD ($)

Dec. 31, 2019

Jan. 01, 2019

Jan. 01, 2018

Dec. 31, 2017

Other Assets [Member]

Operating Lease, Right-of-Use Asset

$ 1,637,000

Accrued Interest and Other Liabilities [Member]

Operating Lease, Liability, Total

$ 1,637,000

Accounting Standards Update 2016-02 [Member]

Operating Lease, Liability, Total

$ 1,132,000

Operating Lease, Right-of-Use Asset

$ 1,132,000

Accounting Standards Update 2018-02 [Member]

Cumulative Effect of New Accounting Principle in Period of Adoption

$ 0

$ 0

^[1]

Accounting Standards Update 2018-02 [Member] | Retained Earnings [Member]

Cumulative Effect of New Accounting Principle in Period of Adoption

325,000

325,000

^[1]

Accounting Standards Update 2017-08 [Member]

Cumulative Effect of New Accounting Principle in Period of Adoption

0

0

^[2]

Accounting Standards Update 2017-08 [Member] | Retained Earnings [Member]

Cumulative Effect of New Accounting Principle in Period of Adoption

(26,000)

(26,000)

^[2]

Accounting Standards Update 2016-01 [Member]

Cumulative Effect of New Accounting Principle in Period of Adoption

0

0

^[3]

Accounting Standards Update 2016-01 [Member] | Retained Earnings [Member]

Cumulative Effect of New Accounting Principle in Period of Adoption

$ (22,000)

$ (22,000)

^[3]

[1]	As described in more detail in the Recent Accounting Pronouncements - Adopted section of Note 2, this reclassification resulted from adoption of Accounting Standards Update (ASU) 2018-02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, effective January 1, 2018.
[2]	As described in more detail in the Recent Accounting Pronouncements - Adopted section of Note 2, this reclassification resulted from adoption of ASU 2017-08, Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20), effective January 1, 2018.
[3]	As described in more detail in the Recent Accounting Pronouncements - Adopted section of Note 2, this reclassification resulted from adoption of ASU 2016-01, Recognition and Measurement of Financial Assets and Liabilities, effective January 1, 2018.

X

- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
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