Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Warranty

	Year Ended December 31
		2014		2013
Beginning balance	$	564,000	$	590,000
Amounts charged to expense		(14,000)		237,000
Actual warranty costs paid		(116,000)		(263,000)
Ending balance	$	434,000	$	564,000

Components Of Accumulated Other Comprehensive Loss

	December 31
		2014		2013
Minimum pension liability	$	1,951,000	$	1,796,000
Unrealized (loss) gain on available-for-sale investments		(41,000)		2,000
Foreign currency translation		(2,605,000)		(2,038,000)
	$	(695,000)	$	(240,000)