Note 9 - Income Taxes (Details) (USD $)	0 Months Ended	1 Months Ended
Jun. 03, 2013	Feb. 05, 2013	Jul. 25, 2011	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Operating Loss Carryforwards	$ 34,000,000us-gaap_OperatingLossCarryforwards	$ 34,000,000us-gaap_OperatingLossCarryforwards	$ 90,000,000us-gaap_OperatingLossCarryforwards	$ 155,711,000us-gaap_OperatingLossCarryforwards	$ 156,000,000us-gaap_OperatingLossCarryforwards
Operating Loss Carry Forwards Limitation on Use	$ 1,500,000	$ 1,400,000	$ 4,900,000

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant