Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 28, 2014	Dec. 31, 2014	Jun. 30, 2015
Commitments And Contingencies [Line Items]
Settlement amount	$ 750
Sprint Lawsuit [Member]
Commitments And Contingencies [Line Items]
Claim amount		$ 200
Employee Severance [Member]
Commitments And Contingencies [Line Items]
Amount accrued for litigation			$ 100