Note 3 - Acquisition (Details) - Supplemental Pro Forma Information (Sensima [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Sensima [Member]
Note 3 - Acquisition (Details) - Supplemental Pro Forma Information [Line Items]
Revenue	$ 78,336	$ 65,357	$ 206,882	$ 174,589
Net income	$ 11,025	$ 6,801	$ 24,886	$ 13,351
Diluted net income per share (in Dollars per share)	$ 0.28	$ 0.17	$ 0.63	$ 0.35

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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+ References

+ Details

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+ References

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