Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details)

v3.10.0.1
Revenue Recognition (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Deferred Revenue Arrangement [Line Items]    
Total deferred revenues $ 2,511 $ 1,919
Deferred rental income 40 73
Less current portion (1,310) (1,103)
Deferred revenues, non-current 1,201 816
Customer deposits and advances [Member]    
Deferred Revenue Arrangement [Line Items]    
Total deferred revenues 60 52
Deferred extended maintenance and support [Member]    
Deferred Revenue Arrangement [Line Items]    
Total deferred revenues 2,366 1,763
Deferred device revenues [Member]    
Deferred Revenue Arrangement [Line Items]    
Total deferred revenues $ 45 $ 31