Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2013	Jun. 30, 2012
Statement of Financial Position [Abstract]
Preferred stock, par value in dollars	$ 0	$ 0
Preferred stock, shares authorized	2,500,000	2,500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value in dollars	$ 0	$ 0
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	19,781,721	19,134,907
Treasury stock, shares at cost	311,660	311,660