Annual report pursuant to Section 13 and 15(d)

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

v3.7.0.1
Nature Of Business And Summary Of Significant Accounting Policies Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Oct. 21, 2016
Sep. 30, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Warrant shares         314,286  
Foreign currency transaction gain (loss), before tax   $ 162,000 $ (131,000) $ (201,000)    
Inventory, net $ 250,000 $ 204,000 250,000      
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 $ 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% 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 $ 411,000 $ 954,000      
Other Noncurrent Assets [Member]            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Deferred commission costs recorded 104,000 $ 148,000 $ 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