CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Statement of Financial Position [Abstract]
Allowance for doubtful accounts, accounts receivable	$ 11,600	$ 11,600
Shareholders' equity:
Common stock, par value	$ 0.05	$ 0.05
Common stock, authorized shares	7,000,000	7,000,000
Common stock, issued shares	1,357,465	1,355,514
Stock held in treasury, shares	19,802	19,802