Note 1 - The Company and Summary of Significant Accounting Policies (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Liabilities
Accrued expense	$ 2,389,000	$ 3,085,000
FairValueInputsLevel1Member
Assets
Asset	0
Liabilities
Warrant liability	0
Accrued expense	0
FairValueInputsLevel2Member
Assets
Asset	0
Liabilities
Warrant liability	13,299,000
Accrued expense	1,798,000
FairValueInputsLevel3Member
Assets
Asset	0
Liabilities
Warrant liability	0
Accrued expense	$ 0

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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 210.5-02.20)

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Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

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- Definition

Fair value of financial and nonfinancial obligations.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

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