Discontinued Operations - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2013	Jun. 30, 2014	Dec. 31, 2015	Dec. 31, 2014
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Percentage of shares agreed to sell	80.10%
Gain on sale of discontinued operations				$ 459,000
Gain on sale of discontinued operations, income taxes			$ 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				$ 400,000