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Re-Organization And Restructure Charge (Narrative) (Details) (USD $)	3 Months Ended
	Dec. 31, 2012 employee	Sep. 30, 2012	Mar. 31, 2013 Workforce Reduction [Member]	Dec. 31, 2012 Workforce Reduction [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	$ 523,000	$ 217,000
Reduction of workforce, percent	10.00%
Reduction of workforce, number of employees	20
Restructuring And Related Cost			$ 66,000	$ 192,000

- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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