Discontinued Operations - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended		12 Months Ended
	Nov. 17, 2011	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2013 Government Authorities in Alabama [Member]
Discontinued Operations [Line Items]
Total consideration received from the Pharma Sale	$ 30,000,000
Restricted time period for competition	5 years
Payment on settlement of retained liability				325,000
Gain (Loss) on sale of discontinued operations, net of income taxes				1,300,000
Income impact associated with discontinued operations		$ 0	$ 0