Consolidated Balance Sheets (Parentheticals) - USD ($)	Mar. 31, 2017	Mar. 31, 2016
Accounts receivable, allowance for doubtful accounts (in Dollars)	$ 7,500	$ 7,500
Common stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Common stock, shares issued	3,255,887	3,255,887
Common stock, shares outstanding	3,255,887	3,255,887
Common stock, shares authorized	4,000,000	4,000,000