Annual report pursuant to Section 13 and 15(d)

Nature Of Business And Summary Of Significant Accounting Policies Narrative (Details)

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Nature Of Business And Summary Of Significant Accounting Policies Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Foreign Currency Transaction Gain (Loss), before Tax   $ (131,000) $ (201,000) $ (40,000)
Inventory, Net $ 250,000 $ 250,000 168,000  
Property, Plant and Equipment | Minimum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Property and equipment estimated useful lives   1 year    
Property, Plant and Equipment | Maximum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Property and equipment estimated useful lives   7 years    
BriefCam Ltd.        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Investment carrying value $ 3,100,000 $ 3,100,000    
BriefCam Ltd. | Maximum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Minority ownership interest (as a percent) 20.00% 20.00%    
Prepaid Expenses and Other Current Assets [Member]        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Deferred commission costs recorded $ 954,000 $ 954,000 $ 418,000  
Other Noncurrent Assets [Member]        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Deferred commission costs recorded 104,000 104,000    
General and Administrative Expense [Member]        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Loss on third party license agreement 1,200,000      
Write-off of prepaid royalty 606,000      
Accrued minimum royalty payments $ 606,000 $ 606,000