Noncontrolling Interest (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Noncontrolling Interest
Foreign currency translation adjustments	$ 56	$ 265	$ (358)	$ 294
Noncontrolling Interest
Balance at the beginning of the period			(99)	11	11
Net loss-noncontrolling interest	(34)	(24)	(110)	(85)	(110)
Balance at the end of the period	(209)		(209)		(99)
Rest Assured LLC
Noncontrolling Interest
Ownership interest (as a percent)	66.70%		66.70%
Foreign currency translation adjustments			$ 0

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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