Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Warranty

	Year Ended December 31
		2016		2015
Beginning balance	$	554,000	$	434,000
Amounts charged to expense		147,000		231,000
Actual warranty costs paid		(101,000)		(111,000)
Ending balance	$	600,000	$	554,000

Components Of Accumulated Other Comprehensive Loss

	Foreign Currency Translation		Unrealized (loss)/gain on securities		Pension liability adjustment		Accumulated Other Comprehensive Loss
December 31, 2015	$	(4,801,000)	$	(13,000)	$	4,148,000	$	(666,000)
Net current period change		(141,000)		30,000				(111,000)
Reclassification adjustments into income		4,238,000				(4,148,000)		90,000
December 31, 2016	$	(704,000)	$	17,000	$	-	$	(687,000)