Shareholders' Equity (Additional Information about Warrants) (Details) - $ / shares		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Class of Warrant or Right [Line Items]
Number of Warrants		385,800	444,747	1,957,033	1,959,799
Range of Exercise Prices	[1]	$ 1.22	$ 1.43	$ 1.38	$ 1.38
Range of Exercise Price Two [Member]
Class of Warrant or Right [Line Items]
Number of Warrants		25,000
Range of Exercise Prices	[2]	$ 2.00
Expiration Date		2015-07
Range of Exercise Price Three [Member]
Class of Warrant or Right [Line Items]
Number of Warrants		130,713
Range of Exercise Prices	[2]	$ 1.56
Expiration Date		2015-11
Range of Exercise Price Four [Member]
Class of Warrant or Right [Line Items]
Number of Warrants		199,437
Range of Exercise Prices	[2]	$ 0.94
Expiration Date		2016-10
Range of Exercise Price Five [Member]
Class of Warrant or Right [Line Items]
Number of Warrants		25,650
Range of Exercise Prices	[2]	$ 0.94
Expiration Date		2016-12
Range of Exercise Price Six [Member]
Class of Warrant or Right [Line Items]
Number of Warrants		5,000
Range of Exercise Prices	[2]	$ 0.98
Expiration Date		2017-06

[1] Weighted average exercise price per share.

[2] Exercise prices have been rounded to the nearest whole cent.