Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details 2)

v3.10.0.1
Revenue Recognition (Details 2) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax $ 2,967 $ 1,867 $ 5,486 $ 3,303
Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 2,956   5,475  
Device revenue [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 2,956 1,867 5,475 3,275
Device revenue [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 2,489   4,540  
Service, support and rentals [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 11 $ 0 11 $ 28
Service, support and rentals [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 394   781  
Parts and other [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 73   154  
Parts and other [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 73   154  
Collaborative Arrangements [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 11   11  
Collaborative Arrangements [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 0   0  
Medical [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 2,399   4,521  
Medical [Member] | Device revenue [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 1,943   3,607  
Medical [Member] | Service, support and rentals [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 394   781  
Medical [Member] | Parts and other [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 62   133  
Medical [Member] | Collaborative Arrangements [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 0   0  
Industrial [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 557   954  
Industrial [Member] | Device revenue [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 546   933  
Industrial [Member] | Service, support and rentals [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 0   0  
Industrial [Member] | Parts and other [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 11   21  
Industrial [Member] | Collaborative Arrangements [Member] | Device and related [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 0   0  
Engineering services [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 11   11  
Engineering services [Member] | Device revenue [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 0   0  
Engineering services [Member] | Service, support and rentals [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 0   0  
Engineering services [Member] | Parts and other [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax 0   0  
Engineering services [Member] | Collaborative Arrangements [Member]        
Revenue Recognition [Line Items]        
Revenue from Contract with Customer, Including Assessed Tax $ 11   $ 11