Discontinued Operations - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended	6 Months Ended
	Sep. 09, 2011	Mar. 31, 2013	Sep. 30, 2014	Mar. 31, 2014	Mar. 01, 2014	Sep. 30, 2013	Mar. 01, 2013	Mar. 01, 2012
Discontinued Operations and Disposal Groups [Abstract]
Purchase price of new company	$ 7,500,000
Cash payment for new company	2,000,000
Interest rate of promissory note			7.00%
Principal payments of promissory note					500,000		2,500,000	500,000
Advance principal payment		2,000,000
Liabilities of discontinued operations, current			$ 110,000	$ 233,000		$ 389,000