Income Taxes - Unrecognized Tax Benefits (Details) (USD $)	Dec. 31, 2012		Jun. 30, 2012
Changes in unrecognized tax benefits
Total unrecognized tax benefits	$ 3,211,000	[1]	$ 3,211,000	[1]
Unrecognized tax benefits that, if recognized, would affect the Company's effective tax rate, subject to the valuation allowance	3,064,000		3,064,000
Unrecognized tax benefits that would impact effective tax rate, next twelve months	$ 43,000

[1] Excluding interest and penalties.