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Related Party Transactions (Details Textual) (Chief Executive Officer [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Chief Executive Officer [Member]
Related Party Transaction, Due from (to) Related Party, Noncurrent	$ 121	$ 123
Payments For Aggregate Indebtedness	$ 19

Amount of receivables to be collected from related parties net of obligations owed to related parties after one year or beyond the normal operating cycle, if longer where one party can exercise control or significant influence over another party including, but not limited to, affiliates, owners or officers and their immediate families and pension trusts.

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