Note 8 - Short Term Borrowings (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Note 8 - Short Term Borrowings (Details) [Line Items]
Short-term Debt	422,000us-gaap_ShortTermBorrowings	$ 258,000us-gaap_ShortTermBorrowings
Line of Credit [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member]
Note 8 - Short Term Borrowings (Details) [Line Items]
Line of Credit Facility, Interest Rate at Period End	1.00%
Line of Credit [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Note 8 - Short Term Borrowings (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Line of Credit [Member]
Note 8 - Short Term Borrowings (Details) [Line Items]
Short-term Debt	237,000	0
Guidance Line of Credit [Member]
Note 8 - Short Term Borrowings (Details) [Line Items]
Short-term Debt	0
Line of Credit Facility, Maximum Borrowing Capacity	8,000,000
Line of Credit Facility, Limit Percentage	15.00%
Federal Funds Line of Credit [Member]
Note 8 - Short Term Borrowings (Details) [Line Items]
Short-term Debt	0
Line of Credit Facility, Maximum Borrowing Capacity	18,500,000

The amount that may be drawn on a line of credit expressed as a percentage of total assets.

No definition available.

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- Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.(a),16(a)(1))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Subparagraph a(1)

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13

-Subparagraph 2, 3

-Article 9

+ Details

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- Details

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- Details

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- Details

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