Annual report pursuant to Section 13 and 15(d)

Discontinued Operations (Details)

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Discontinued Operations (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Financial information for the discontinued operations presented in the Condensed Consolidated Statements of Operations      
Total revenue   $ 0 $ 4,254
Operating income (loss)   177 (3,434)
Gain on sale to Optos   0 10,597
Income (loss) before provision for income taxes   177 7,142
Income (loss) from discontinued operations, net of tax $ 0 $ 109 $ 5,181