Organization and Liquidity - Additional Information (Detail)			12 Months Ended
	Apr. 04, 2015 USD ($) shares	Nov. 15, 2013 shares	Dec. 31, 2015 USD ($) Subsidiary	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Organization, Nature Of Operations And Liquidity [Line Items]
Incorporation date			Dec. 22, 2003
Number of subsidiaries formed | Subsidiary			2
Cash and cash equivalents			$ 21,547	$ 216,733	$ 22,489
Working capital deficit			3,800,864
Accumulated deficit			(115,159,419)	(110,834,154)
Net cash used in operating activities			(1,052,895)	(2,624,113)
Proceeds from sales or subscription of common stock			$ 600,000	$ 2,129,924
Majority of shareholders' consent to incur indebtedness other than specified permitted indebtedness			Two-thirds
Business acquisition, purchase of number of shares | shares		33,441
Shenzhen Qianhai Taxus [Member]
Organization, Nature Of Operations And Liquidity [Line Items]
Business acquisition, date of agreement			Apr. 04, 2015
Business acquisition, purchase of number of shares | shares	600,000
Business acquisition, purchase price	$ 3,000,000
Payment for business acquisition	$ 600,000