Assets Held for Sale and Discontinued Operations (Detail) (USD $)	3 Months Ended			12 Months Ended			0 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Feb. 15, 2013 Clinical Trial Services [Member]	Dec. 31, 2013 Clinical Trial Services [Member]	Jun. 30, 2013 Clinical Trial Services [Member]	Dec. 31, 2013 Clinical Trial Services [Member]	Dec. 31, 2012 Clinical Trial Services [Member] Segment, Discontinued Operations [Member]	Sep. 30, 2012 Clinical Trial Services [Member] Segment, Discontinued Operations [Member]	Dec. 31, 2012 Clinical Trial Services [Member] Segment, Discontinued Operations [Member]	Dec. 31, 2012 Clinical Trial Services [Member] Segment, Discontinued Operations [Member] Trademarks [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses							$ 52,000,000
Adjustment							100,000	200,000
Earnout Consideration From Divestiture Of Business							3,750,000	2,250,000		2,250,000
release of escrow to the buyer									1,500,000
Escrow Deposit Term										18 months
Escrow Deposit	0			3,750,000	0		3,750,000
Goodwill impairment charge	11,900,000	23,500,000	18,732,000								11,900,000	22,100,000	34,000,000
Trademark impairment charge				6,400,000	54,132,407	0								1,400,000
Income from operations				$ 433,915	$ (30,973,520)	$ 4,613,260							$ 4,426,000