Note 11 - Legal Proceedings (Details) (USD $)	0 Months Ended		0 Months Ended
Nov. 13, 2014 Subsequent Event [Member]	Jul. 15, 2014 Pending Litigation [Member]	Jan. 26, 2010 Pending Litigation [Member]	Apr. 12, 2012 Motion Denied [Member]
Note 11 - Legal Proceedings (Details) [Line Items]
Gain Contingency, Unrecorded Amount			$ (5,816,000)
Loss Contingency, Damages Sought, Value		3,564,000		3,564,000
Loss Contingency, Damages Awarded, Value	$ 3,564,000

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

Name:	us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration