Assets Held for Sale and Discontinued Operations (Parenthetical) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Goodwill, Gross $ 208
Goodwill, Impairment Loss 208
Acquired Technology [Member]
 
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Finite-Lived Intangible Assets, Gross 10,133
Finite-Lived Intangible Assets, Accumulated Amortization 2,451
Impairment of Intangible Assets, Finite-lived $ 7,045