Re-Organization And Restructure Charge (Summary Of Severance And Relocation Accruals) (Details) (USD $)	3 Months Ended		12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Balance, January 1, 2012
Cost incurred	523,000	217,000	740,000
Payments made			548,000
Balance, December 31, 2012	192,000		192,000
Semiconductor R&D Consolidation [Member]
Restructuring Cost and Reserve [Line Items]
Balance, January 1, 2012
Cost incurred			217,000
Payments made			217,000
Workforce Reduction [Member]
Restructuring Cost and Reserve [Line Items]
Balance, January 1, 2012
Cost incurred			523,000
Payments made			331,000
Balance, December 31, 2012	$ 192,000		$ 192,000