Acquisition of a Business (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Jul. 02, 2013 Transcend Products LLC
Business Acquisition [Line Items]
Property and equipment, net			$ 29
Intangible assets, net			3,249
Goodwill	6,563	6,563	2,477
Total assets acquired			$ 5,755

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

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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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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