Fair Value of Financial Instruments (Details) (USD $)	Jun. 30, 2013	Mar. 31, 2013
Carrying Amount [Member] | Note Payable to a Bank [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	$ 2,493,700	$ 2,550,000
Carrying Amount [Member] | Note Payable to Baltimore County [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	151,900	158,000
Fair Value [Member] | Note Payable to a Bank [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	2,321,700	2,361,500
Fair Value [Member] | Note Payable to Baltimore County [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	$ 140,200	$ 145,300