CONSOLIDATED STATEMENTS 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, 2010	$ 1,001,933	$ (426,617)	$ 5,907,899	$ 5,156,138	$ 11,639,353
Beginning balance, Shares at Mar. 31, 2010	2,003,866	(84,000)			1,919,866
Net income (loss)				155,696	155,696
Issuance of stock for properties		136,277	28,479		164,756
Exchanged for property, shares		26,833			26,833
Purchase of stock		(12,325)			(12,325)
Purchase of stock, shares		(2,000)			2,000
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
Shares Issued	85,250				(85,250)
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 (loss)				329,993	329,993
Purchase of stock		(22,780)			(22,780)
Purchase of stock, shares		(4,000)			4,000
Issuance of stock through options exercised	5,000		35,000		40,000
Stock based compensation			120,124		120,124
Shares Issued	10,000				(10,000)
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
Net income (loss)				(176,374)	(176,374)
Purchase of stock		(15,547)			(15,547)
Purchase of stock, shares		(2,833)			2,833
Issuance of stock through options exercised	1,875		14,438		16,313
Stock based compensation			138,303		138,303
Shares Issued	3,750				(3,750)
Ending balance, Amount at Mar. 31, 2013	$ 1,051,433	$ (340,992)	$ 6,761,091	$ 5,465,453	$ 12,936,985
Ending balance, Shares at Mar. 31, 2013	2,102,866	(66,000)			2,036,866