Supplemental Cash Flow Information - Additional Information (Detail) - USD ($)	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015
Supplemental Cash Flow Elements [Abstract]
Income taxes paid	$ 29,500	$ 93,000
Interest paid	0	0
Accrued dividends	$ 67,994	$ 135,989	$ 67,994