Note 12 - Subsequent Event	6 Months Ended
Jun. 30, 2014
Subsequent Events [Abstract]
Subsequent Events [Text Block]	12. Subsequent Event Acquisition In July 2014, the Company completed the acquisition of Sensima Technology SA (“Sensima”), a company located in Switzerland that develops magnetic sensors for angle measurements as well as three-dimensional magnetic field sensing. The purchase consideration consists of an upfront cash payment of $11.7 million and a cash earn-out payment of up to $8.9 million that is contingent upon Sensima achieving certain new product development and revenue goals through 2016. In addition, key employees are eligible to receive $1.7 million of time-based RSUs and up to $8.0 million of performance-based RSUs in connection with the transaction. The initial accounting for the acquisition is still ongoing as of the date this Quarterly Report on Form 10-Q is issued. It is expected that intangible assets and goodwill will be recorded on the consolidated balance sheets; however, as the initial accounting for the acquisition has not been completed at the time of the issuance of these consolidated financial statements, further details have not yet been disclosed.

Note 12 - Subsequent Event

6 Months Ended

Jun. 30, 2014

12. Subsequent Event

Acquisition

In July 2014, the Company completed the acquisition of Sensima Technology SA (“Sensima”), a company located in Switzerland that develops magnetic sensors for angle measurements as well as three-dimensional magnetic field sensing. The purchase consideration consists of an upfront cash payment of $11.7 million and a cash earn-out payment of up to $8.9 million that is contingent upon Sensima achieving certain new product development and revenue goals through 2016. In addition, key employees are eligible to receive $1.7 million of time-based RSUs and up to $8.0 million of performance-based RSUs in connection with the transaction.

The initial accounting for the acquisition is still ongoing as of the date this Quarterly Report on Form 10-Q is issued. It is expected that intangible assets and goodwill will be recorded on the consolidated balance sheets; however, as the initial accounting for the acquisition has not been completed at the time of the issuance of these consolidated financial statements, further details have not yet been disclosed.