Business Combination (Details) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012	Sep. 15, 2011 Ocunetics, Inc. acquisition [Member]
Business Combinations (Textual) [Abstract]
Purchase price of the acquired assets in cash consideration		$ 75
Purchase price of the acquired assets through earn-out provision at fair value		105
Acquired net assets recorded as goodwill	60
Purchase price of the intangible assets	$ 120

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

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+ Details