Preferred Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended	1 Months Ended
	Apr. 30, 2012	Aug. 31, 2013 Convertible Preferred Stock [Member]	Jun. 30, 2013 Convertible Preferred Stock [Member]	Jun. 30, 2011 Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Stock issued during period, shares, new issues				1,666,667
Stock issued during period, per share, new issues				$ 2.40
Stock issued during period, value, new issues	$ 3,972			$ 4,000
Convertible preferred stock, shares of common stock issued upon conversion			1
Preferred stock annual dividend, per share			$ 0.24
Dividends, preferred stock		$ 66
Preferred stock cash dividend paid		$ 0.04