Subsequent Events - Additional information (Detail) (USD $)	0 Months Ended	12 Months Ended	0 Months Ended
	Nov. 15, 2013	Dec. 31, 2014	Apr. 06, 2015 Renewals	Apr. 08, 2015 Tranches	Apr. 03, 2015	Feb. 21, 2014
Subsequent Event [Line Items]
Business acquisition, purchase price	33,441
Ownership percentage, as on the date						27.50%
Shenzhen Qianhai Taxus [Member]
Subsequent Event [Line Items]
Business acquisition, date of agreement		Apr. 08, 2015
Business acquisition, date of completion		May 30, 2015
Subsequent Events [Member]
Subsequent Event [Line Items]
License period			10 years
License renewal period			5 years
Number of license renewals			2
Subsequent Events [Member] | Latin America [Member]
Subsequent Event [Line Items]
Number of other countries that have right of license to sell			32
Subsequent Events [Member] | Shenzhen Qianhai Taxus [Member]
Subsequent Event [Line Items]
Acquired percentage of outstanding common stock				15.00%
Business acquisition, purchase price				3,000,000
Business acquisition, shares issued				$ 600,000
Business acquisition, share price				$ 5
Number of tranches payable				3
Subsequent Events [Member] | Chief Financial Officer [Member]
Subsequent Event [Line Items]
Severance payments					$ 0