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8. Restructuring (Details) (USD $)	12 Months Ended
8. Restructuring (Details) (USD $)	Dec. 31, 2012
Restructuring and Related Cost [Abstract]
Restructuring Charges	$ 138,000us-gaap_RestructuringCharges

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References+ Details