Note 8 - Business Combination (Details) - Acquisition Purchase Price Allocation (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Apr. 30, 2014 Zxy Sport Tracking AS [Member]	Jul. 31, 2014 WeatherOne Transaction [Member]
Note 8 - Business Combination (Details) - Acquisition Purchase Price Allocation [Line Items]
Net fair value of assets acquired			$ 628	$ 1,245
Intangible assets			2,600	900
Goodwill	23,799	18,948	3,783	1,440
Purchase price allocation before deferred tax liability			7,011	3,585
Deferred tax liability			(702)	(244)
Amounts attributable to minority shareholders			(836)
Purchase price allocation after deferred tax liability			$ 5,473	$ 3,341

Amount recognized as of the acquisition date for amounts attributable to minority shareholders.

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Amount of assets acquired at the acquisition date.

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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