DigiNotar (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Summary of assets and liabilities of discontinued operations
Assets of discontinued operations	$ 2,651	$ 2,545
Liabilities of discontinued operations	1,335	1,592
DigiNotar [Member]
Summary of assets and liabilities of discontinued operations
Contingent consideration due from escrow	1,851	1,813
Due from DigiNotar net of allowance for doubtful account of $952	423	414
Income taxes receivable	377	318
Assets of discontinued operations	2,651	2,545
Due to DigiNotar	1,301	1,275
Accrued professional fees	34	317
Liabilities of discontinued operations	$ 1,335	$ 1,592

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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