Net Income Per Share (Details)	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Net Income Per Share [Abstract]
Weighted average common shares outstanding - basic	4,851,043	4,862,436
Stock options	15,814	20,805
Warrants	602	1,661
Shares used in computing net income per share - diluted	4,867,459	4,884,902
Stock options and warrants not included in computation of diluted earnings per share	7,000	13,000