Consolidated Statements of Stockholders' Equity (USD $)	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Retained Earnings
Beginning Balance at Mar. 31, 2012		$ 7,975,160	$ 29,003,674	$ (5,475,964)	$ 31,914,398
Net earnings	6,135,812				6,135,812
Cash dividends ($0.97) and ($0.20) for 2013 and 2014 respectively					(6,595,461)
Ending Balance at Mar. 31, 2013	62,957,619	7,975,160	29,003,674	(5,475,964)	31,454,749
Net earnings	1,712,926				1,712,926
Cash dividends ($0.97) and ($0.20) for 2013 and 2014 respectively					(1,359,889)
Ending Balance at Mar. 31, 2014	$ 63,310,656	$ 7,975,160	$ 29,003,674	$ (5,475,964)	$ 31,807,786