CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2011	Jun. 30, 2011
CONSOLIDATED BALANCE SHEETS
Trade accounts receivable, allowance (in dollars)	$ 123,573	$ 123,573
Common stock, authorized shares	50,000,000	50,000,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, issued shares	28,553,469	28,403,946
Common stock, outstanding shares	28,553,469	28,403,946
Treasury stock, shares	280,469	156,611