Research and Development Arrangements and Related Party Transactions - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified				12 Months Ended			1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Accentia Biopharmaceuticals, Inc [Member] Employee	Dec. 31, 2012 Accentia Biopharmaceuticals, Inc [Member]	Dec. 31, 2011 Accentia Biopharmaceuticals, Inc [Member]	Jun. 30, 2012 Bioral [Member]	Jun. 30, 2012 Non- Bioral [Member]	Dec. 31, 2009 Emezine Settlement Agreement [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Consideration percentage of future potential revenues from related party							10.00%	3.50%
Number of employee shared for accounting and administrative staff				1
Payments for rent				$ 0.03	$ 0.06	$ 0.06
Shares of common stock of Biovest International, Inc.	10,000	281,865	601,120						2,000,000