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Subsequent Event
9 Months Ended
Oct. 01, 2011
Subsequent Event [Abstract] 
Subsequent Event 
11. Subsequent Event

On October 8, 2011, the Company had made no claims relating to the escrow in connection with the Company's acquisition of substantially all of the assets of RetinaLabs and released to RetinaLabs all funds and shares held in escrow. The Company has evaluated subsequent events and has concluded that no subsequent events other than the one mentioned above have occurred since the quarter ended October 1, 2011 that required additional disclosure in the consolidated financial statements.