Subsequent Events	12 Months Ended
Dec. 31, 2012
Subsequent Events	19. Subsequent Events On January 15, 2013, the Company entered into a Securities Purchase Agreement (the “Purchase Agreement”) with NDSSI Holdings LLC (“Holdings”) and NDS Surgical Imaging, Inc., a Delaware corporation (together with Holdings, the “Seller”) to acquire 100% of the outstanding membership interests of NDS Surgical Imaging, LLC and 100% of the outstanding stock of NDS Surgical Imaging KK, wholly owned subsidiaries of Holdings (collectively, “NDS”). The acquisition closed on January 15, 2013. Pursuant to the terms of the Purchase Agreement, the total purchase price was $82.5 million in cash, subject to customary closing working capital adjustments. The Company utilized the proceeds from its revolving credit facility of $60.0 million as well as cash on hand of $22.5 million to fund the acquisition. NDS designs, develops, and manufactures high definition visualization solutions and imaging informatics products for the surgical and radiology markets. The Company expects the addition of NDS will enable the Company to leverage its existing medical OEM sales channels and expertise in color measurement technology. Information required by ASC 805-10, “Business Combinations,” was not disclosed herein as the Company is in process of completing its purchase accounting evaluation, including purchase price allocation, disclosures on intangible assets and pro forma information.

Subsequent Events

12 Months Ended

Dec. 31, 2012

19. Subsequent Events

On January 15, 2013, the Company entered into a Securities Purchase Agreement (the “Purchase Agreement”) with NDSSI Holdings LLC (“Holdings”) and NDS Surgical Imaging, Inc., a Delaware corporation (together with Holdings, the “Seller”) to acquire 100% of the outstanding membership interests of NDS Surgical Imaging, LLC and 100% of the outstanding stock of NDS Surgical Imaging KK, wholly owned subsidiaries of Holdings (collectively, “NDS”). The acquisition closed on January 15, 2013. Pursuant to the terms of the Purchase Agreement, the total purchase price was $82.5 million in cash, subject to customary closing working capital adjustments. The Company utilized the proceeds from its revolving credit facility of $60.0 million as well as cash on hand of $22.5 million to fund the acquisition. NDS designs, develops, and manufactures high definition visualization solutions and imaging informatics products for the surgical and radiology markets. The Company expects the addition of NDS will enable the Company to leverage its existing medical OEM sales channels and expertise in color measurement technology. Information required by ASC 805-10, “Business Combinations,” was not disclosed herein as the Company is in process of completing its purchase accounting evaluation, including purchase price allocation, disclosures on intangible assets and pro forma information.