Domestic And Foreign Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Domestic And Foreign Income Taxes [Abstract]
Net operating loss carry forwards and credits	$ 7,931	$ 8,125
Depreciation and amortization		284
Inventory	563	436
Compensation accruals	1,273	1,111
Accruals and reserves	113	88
Credits	236	225
Other	212	190
Total Deferred tax assets	10,328	10,459
Less: valuation allowance	(9,810)	(10,105)
Deferred tax assets net of valuation allowance	518	354
Deferred tax liabilities depreciation and amortization	(156)
Undistributed Earnings of Foreign Subsidiary	(319)	(354)
Total deferred tax liabilities	(475)	$ (354)
Net deferred tax	$ 43