Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)	Dec. 31, 2013	Mar. 31, 2013
Allowance for doubtful accounts (in Dollars)	$ 122,000	$ 66,000
Preferred stock par value (in Dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized	50,000	50,000
Common stock, par value (in Dollars per share)	$ 0.25	$ 0.25
Common stock, shares authorized	4,000,000	4,000,000
Common stock, shares issued	2,355,028	2,446,286
Common stock, shares outstanding	2,355,028	2,446,286