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COMMITMENTS AND CONTINGENCIES: (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2009	Dec. 31, 2012 defendant
COMMITMENTS AND CONTINGENCIES:
Number of current and former directors and officers who are named defendants		9
Future minimum rent	$ 2.0

This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

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