Cash Equivalents and Marketable Securities (Detail) (USD $)	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2013	Mar. 31, 2013
Cash and Cash Equivalents [Line Items]
Cost	$ 6,151,516	$ 6,831,478
Gross Unrealized Gain	18,589	0
Gross Unrealized Loss	0	0
Available-for-sale Securities, Debt Securities, Current	6,170,105	6,831,478
Cash and Cash Equivalents, at Carrying Value, Total	5,762,423	6,831,478	1,463,744	1,094,974
Marketable Securities	407,682	0
Mutual Funds [Member]
Cash and Cash Equivalents [Line Items]
Cost	148,028
Gross Unrealized Gain	2,290
Gross Unrealized Loss	0
Available-for-sale Securities, Debt Securities, Current	150,318
Cash and Cash Equivalents, at Carrying Value, Total	0
Marketable Securities	150,318
Equity Securities [Member]
Cash and Cash Equivalents [Line Items]
Cost	241,065
Gross Unrealized Gain	16,299
Gross Unrealized Loss	0
Available-for-sale Securities, Debt Securities, Current	257,364
Cash and Cash Equivalents, at Carrying Value, Total	0
Marketable Securities	257,364
Demand Deposits [Member]
Cash and Cash Equivalents [Line Items]
Cost	5,665,999	6,831,478
Gross Unrealized Gain	0
Gross Unrealized Loss	0
Available-for-sale Securities, Debt Securities, Current	5,665,999	6,831,478
Cash and Cash Equivalents, at Carrying Value, Total	5,665,999	6,831,478
Marketable Securities	0
Money Market Funds [Member]
Cash and Cash Equivalents [Line Items]
Cost	96,424
Gross Unrealized Gain	0
Gross Unrealized Loss	0
Available-for-sale Securities, Debt Securities, Current	96,424
Cash and Cash Equivalents, at Carrying Value, Total	96,424
Marketable Securities	$ 0