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Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of assets and liabilities of discontinued operations
Contingent consideration due from escrow	$ 1,836	$ 1,851
Due from DigiNotar net of allowance for doubtful account of $952		423
Income taxes receivable	348	377
Assets of discontinued operations	2,184	2,651
Due to DigiNotar	320	1,301
Accrued professional fees	65	34
Liabilities of discontinued operations	$ 385	$ 1,335

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received.

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