Discontinued Operations - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended		12 Months Ended
	Nov. 17, 2011	Jun. 30, 2013 Government Authorities in Alabama [Member]	Mar. 31, 2013 Government Authorities in Alabama [Member]	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	325,000
Gain (Loss) on sale of discontinued operations, net of income taxes				$ 1,300,000