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Property and Equipment (Details Textual) (USD $)	6 Months Ended		12 Months Ended
Property and Equipment (Details Textual) (USD $)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2011	Jun. 30, 2010
Property and Equipment (Textual) [Abstract]
Depreciation and amortization expense	$ 751,000	$ 941,000	$ 2,203,000	$ 1,415,000	$ 1,605,000	$ 2,013,000
Capitalized assets			$ 100,000

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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