Consolidated Balance Sheets (Parentheticals) (USD $)	Mar. 31, 2013	Mar. 31, 2012
Allowance for doubtful accounts (in Dollars)	$ 18,940	$ 35,470
Common stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	4,000,000	4,000,000
Common stock, shares issued	3,011,739	2,684,215
Common stock, shares outstanding	3,011,739	2,684,215