Geographic Information and Customer Concentration - Selected Information by Geographic Area (Detail) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 7,807,218	$ 7,125,692	$ 7,977,818	$ 6,315,724	$ 7,091,262	$ 6,673,038	$ 8,230,536	$ 3,833,541	$ 29,226,452	$ 25,828,377	$ 43,062,021
Total assets	60,092,460				36,868,664				60,092,460	36,868,664
Total Long-lived Assets	13,315,012				966,109				13,315,012	966,109
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues									5,463,761	8,566,725	28,420,480
Total assets	20,277,756				31,898,401				20,277,756	31,898,401
Total Long-lived Assets	306,543				171,167				306,543	171,167
Switzerland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues									21,728,434	17,261,652	14,641,541
Total assets	3,063,023				1,189,183				3,063,023	1,189,183
Total Long-lived Assets	21,556				59,582				21,556	59,582
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	36,486,686				3,538,446				36,486,686	3,538,446
Total Long-lived Assets	12,986,737				734,280				12,986,737	734,280
Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues									2,034,257
Total assets	264,995				242,634				264,995	242,634
Total Long-lived Assets	176				1,080				176	1,080
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues									$ 23,762,691	$ 17,261,652	$ 14,641,541