Net Income Per Share (Tables)

12 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of reconciliation of the numerators and denominators of the basic and diluted net income per share computations

	Year Ended March 31,
	2016		2015		2014
Net income (numerator):
Net income	$	20,567	$	17,453	$	17,972
Shares (denominator)
Weighted average number of common shares outstanding used in basic computation		20,124		20,015		19,901
Common shares issuable upon the vesting of restricted stock		120		111		132
Common shares issuable upon conversion of preferred shares		10		10		10
Shares used in diluted computation		20,254		20,136		20,043
Net income per common share:
Basic	$	1.02	$	0.87	$	0.90
Diluted	$	1.02	$	0.87	$	0.90