Annual report pursuant to Section 13 and 15(d)

Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details)

v3.7.0.1
Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets:        
Net operating loss, capital loss amount and research & experimentation credit carryforwards $ 69,662 $ 66,971    
Non-cash compensation 2,292 2,435    
Accrued liabilities 658 523    
Reserves and other 2,599 2,686    
Intangibles 205 244    
Deferred tax assets, gross 75,416 72,859    
Valuation allowance (67,662) (64,486) $ (15,628) $ (16,651)
Net deferred tax assets 7,754 8,373    
Deferred tax liabilities:        
Depreciation (974) (1,021)    
Discount on notes (299) (951)    
Intangibles (11,218) (11,654)    
Other (4,229) (3,716)    
Deferred tax liabilities, gross (16,720) (17,342)    
Deferred tax assets, net $ (8,966) $ (8,969)