Discontinued Operations - Additional Information (Detail) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2015	Jun. 30, 2014
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Percentage of ownership agreed to sell				80.10%
Proceed from divesture of business						$ 1,286,000
Gain on sale of discontinued operations						449,000
Gain on sale of discontinued operations, income taxes	$ 0	$ 0	$ 0		$ 0	0
Cash consideration on sale of non-core assets						$ 100,000
Multicard US
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Proceed from divesture of business				$ 1,200,000
Gain on sale of discontinued operations			$ 500,000