CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)	Common Stock Par Value	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Total
Beginning balance, Amount at Mar. 31, 2009	$ 981,308	$ (426,617)	$ 5,617,620	$ 4,755,299	$ 10,927,610
Beginning balance, Shares at Mar. 31, 2009	1,962,616	(84,000)
Net income				400,839	400,839
Issuance of stock through options exercised	20,625		238,747		259,372
Excess tax benefits from stock-based compensation			25,502		25,502
Stock based compensation			26,030		26,030
Common stock shares, issued during period	41,250
Ending balance, Amount at Mar. 31, 2010	1,001,933	(426,617)	5,907,899	5,156,138	11,639,353
Ending balance, Shares at Mar. 31, 2010	2,003,866	(84,000)			1,919,866
Net income				155,696	155,696
Issuance of stock for properties		136,277	28,479		164,756
Purchase of stock		(12,325)			(12,325)
Issuance of stock through options exercised	42,625		491,000		533,625
Excess tax benefits from stock-based compensation			(25,502)		(25,502)
Stock based compensation			51,350		51,350
Common stock shares, issued during period	85,250
Exchange for property, Shares		26,833
Common stock acquisitions, Shares		(2,000)
Ending balance, Amount at Mar. 31, 2011	1,044,558	(302,665)	6,453,226	5,311,834	12,506,953
Ending balance, Shares at Mar. 31, 2011	2,089,116	(59,167)			2,029,949
Net income				329,993	329,993
Purchase of stock		(22,780)			(22,780)
Issuance of stock through options exercised	5,000		35,000		40,000
Excess tax benefits from stock-based compensation
Stock based compensation			120,124		120,124
Common stock shares, issued during period	10,000
Common stock acquisitions, Shares		(4,000)
Ending balance, Amount at Mar. 31, 2012	$ 1,049,558	$ (325,445)	$ 6,608,350	$ 5,641,827	$ 12,974,290
Ending balance, Shares at Mar. 31, 2012	2,099,116	(63,167)			2,035,949