Acquisition (Details) (Adwest Technologies Inc [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Adwest Technologies Inc [Member]
Fair values of the assets acquired and liabilities assumed at the date of closing
Current assets	$ 1,916
property and equipment	23
Goodwill	4,806
Intangible-finite life net	1,090
Intangible-indefinite life	300
Total assets acquired	8,135
Current liabilities assumed	(1,985)
Net assets acquired	$ 6,150

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will not be amortized. Does not include goodwill.

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