Note 1 - Summary of Significant Accounting Policies (Details) - Antidilutive Securities	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Antidilutive Securities [Abstract]
Basic and diluted	18,768,693	18,702,396
Potentially dilutive	63,724	110,193

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 28A

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1500-109256

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration