Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Statement of Financial Position [Abstract]
Allowance for doubtful trade accounts receivable	$ 20,617	$ 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	0	0
Preferred stock: Series D, shares outstanding	0	0
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	12,958,239	11,711,952
Common stock: Class A, shares outstanding	12,958,239	11,711,952