Summary of Significant Accounting Policies (Schedule Of Weighted Average Number Of Shares) (Details)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Net Income per Share [Abstract]
Weighted average common shares outstanding - basic	4,851,460	4,839,810	4,796,227
Stock options	15,639	21,934	60,075
Warrants	592	1,802	7,169
Shares used in computing net income per share - diluted	4,867,691	4,863,546	4,863,471