Results of Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Schedule Of Equity Method Investments [Line Items]
Revenue	$ 3,254	[1]	$ 12,490	[2]	$ 5,808	[1]	$ 25,595	[2]
Net income (loss)	(197)	[1]	(2,976)	[2]	(638)	[1]	(5,114)	[2]
Equity income (loss) excluding impairments and amortization of intangible assets	(272)	[1]	(875)	[2]	(536)	[1]	(1,555)	[2]
Amortization of intangible assets	(48)	[1]	(48)	[2]	(96)	[1]	(69)	[2]
Total equity income (loss)	$ (320)	[1]	$ (923)	[2]	$ (632)	[1]	$ (1,624)	[2]

[1] Includes Acquirgy and CIML

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