XML 22 R55.htm IDEA: XBRL DOCUMENT

Commitments and Contingencies (Details Textual) (USD $)	12 Months Ended
Commitments and Contingencies (Details Textual) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies (Textual) [Abstract]
Expirations of operating leases	2018
Repayments of the forgiven payments	$ 400,000
Rent expense	1,800,000	1,600,000
Collateral for a bank letter of credit	$ 875,000
Volume pricing agreements period of OVRP	12 months

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.

+ References+ Details