Interest Rate Swap Agreements (Detail Textuals) (Interest Rate Swap, USD $)	0 Months Ended	1 Months Ended
	Jun. 04, 2012	Jul. 30, 2012	Sep. 30, 2014 Swap	Mar. 31, 2014	Sep. 30, 2013	Mar. 31, 2013
Interest Rate Swap
Derivatives, Fair Value [Line Items]
Number of interest rate swap agreements			2
Interest rate swap period	5 years	5 years
Fixed rate paid	1.00%	0.87%
Description of rate for the variable rate of the interest rate	1-month LIBOR rate	1-month LIBOR rate
Derivative notional amount	$ 25,000,000	$ 25,000,000	$ 50,000,000	$ 50,000,000	$ 50,000,000	$ 50,000,000