CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 5,641	$ 4,076	$ 3,776
Other comprehensive income (loss):
Change in funded status of the defined benefit post retirement plan, net of taxes	187	(110)	38
Change in fair value of interest rate swap, net of taxes			35
Other comprehensive income (loss)	187	(110)	73
Comprehensive income	$ 5,828	$ 3,966	$ 3,849