Note 9 - Taxes on Income (Details) - Reconciliation Between Beginning and Ending Balances of Gross Unrecognized Tax Benefits (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2011
Reconciliation Between Beginning and Ending Balances of Gross Unrecognized Tax Benefits [Abstract]
Uncertain tax position liability at the beginning of the year	$ 16	$ 34
Additions for tax positions for prior years	8
Reductions for tax positions for prior years		(18)
Additions resulting from merger transaction	1,422
Uncertain tax position liability at the end of the year	$ 1,446	$ 16

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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- Definition

Amount of increase in unrecognized tax benefits resulting from acquisitions.

+ References

No definition available.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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