Geographic Information - Selected Information by Geographic Area (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenues	$ 7,977,818	$ 8,230,536	$ 14,293,542	$ 12,064,077
Total Assets	40,440,656		40,440,656		36,868,664
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues, country of domicile and outside of country	984,859	2,792,833	1,902,326	3,844,861
Identifiable Assets, country of domicile and outside country of domicile	33,079,092		33,079,092		31,898,401
Switzerland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues, country of domicile and outside of country	6,992,959	5,437,703	12,365,908	8,219,216
Identifiable Assets, country of domicile and outside country of domicile	4,236,506		4,236,506		1,189,183
Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues, country of domicile and outside of country			25,308
Identifiable Assets, country of domicile and outside country of domicile	$ 3,125,058		$ 3,125,058		$ 3,781,080