Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2012	Jun. 30, 2011
Assets
Trade accounts receivable allowance for doubtful accounts	$ 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	1,355,514	1,216,379
Stock held in treasury, shares	19,802	19,802