Discontinued Operations - Additional Information (Detail)	1 Months Ended	3 Months Ended			12 Months Ended
	Dec. 30, 2013 EUR (€)	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Mar. 31, 2013 USD ($)	Dec. 31, 2013 USD ($)
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Total negative consideration from sale of discontinued operation			$ 500,000
Sale of subsidiary to an employee	1
(Gain) loss on divested businesses		500,000			4,800,000
Percentage of shares agreed to sell			80.10%
Purchase of shares on cash consideration			1,200,000
Gain on sale of discontinued operations, income taxes