Discontinued Operations and Assets Held For Sale (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash		$ 48
Accounts receivable		102
Goodwill at carrying amount of $208, net of $208 loss on impairment		0
Acquired technology at carrying amount of $10,133, net of $2,451 accumulated amortization and $7,045 loss on impairment		637
Total assets held for sale	$ 0	$ 787