Note 3 - Acquisition (Details) - Fair Value of Purchase Consideration (USD $) In Thousands, unless otherwise specified		1 Months Ended
	Sep. 30, 2014	Jul. 22, 2014 Sensima [Member]	Jul. 30, 2014 Sensima [Member]
Business Acquisition, Contingent Consideration [Line Items]
Cash paid at the Acquisition Date		$ 11,735
Contingent consideration	2,507	2,507	2,500
Total		$ 14,242