Results of Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Schedule Of Equity Method Investments [Line Items]
Revenue	$ 2,554	[1]	$ 13,105	[2]
Net income (loss)	(441)	[1]	(2,138)	[2]
Equity income (loss) excluding impairments and amortization of intangible assets	(264)	[1]	(680)	[2]
Amortization of intangible assets	(48)	[1]	(21)	[2]
Total equity income (loss)	$ (312)	[1]	$ (701)	[2]

[1] Includes Acquirgy and CIML

[2] Includes Acquirgy, CIML (from February 20, 2013, the date of deconsolidation), Freeborders and WhiteFence