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Subordinated Debt (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Principal debt repayment requirements
Total	$ 595	$ 801
Subordinated debt
Principal debt repayment requirements
2013	185
2014	320
2015	63
2016	27
Total	$ 595

Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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