Re-Organization And Restructure Charge (Summary Of Severance And Relocation Accruals) (Details) (USD $)	3 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Mar. 31, 2013 Workforce Reduction [Member]
Restructuring Cost and Reserve [Line Items]
Balance, January 1, 2013			$ 192,000
Cost incurred	523,000	217,000
Payments made			126,000
Balance, March 31, 2013			$ 66,000