Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2012	Jun. 30, 2012
Consolidated Balance Sheets
Allowance for doubtful trade accounts receivable	$ 6,596	$ 18,214
Preferred stock: Series D, par value	$ 0.01	$ 0.01
Preferred stock: Series D, shares authorized	5,000,000	5,000,000
Preferred stock: Series D, shares issued
Preferred stock: Series D, shares outstanding
Common stock: Class A, par value	$ 0.01	$ 0.01
Common stock: Class A, shares authorized	40,000,000	40,000,000
Common stock: Class A, shares issued	11,801,684	11,711,952
Common stock: Class A, shares outstanding	11,801,684	11,711,952