XML 109 R92.htm IDEA: XBRL DOCUMENT v3.19.1
Revenues - Deferred revenue (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
Movement in Deferred Revenue [Roll Forward]  
Deferred Revenue, beginning balance $ 505
Addition due to business combination 2,976
Deferral of revenue 5,515
Recognition of deferred revenue (5,161)
Effect of foreign currency translation (15)
Deferred Revenue, ending balance 3,820
Service Contracts [Member]  
Movement in Deferred Revenue [Roll Forward]  
Deferred Revenue, beginning balance 505
Addition due to business combination 848
Deferral of revenue 4,305
Recognition of deferred revenue (3,984)
Effect of foreign currency translation (15)
Deferred Revenue, ending balance 1,659
Customer Advances [Member]  
Movement in Deferred Revenue [Roll Forward]  
Deferred Revenue, beginning balance 0
Addition due to business combination 2,128
Deferral of revenue 1,210
Recognition of deferred revenue (1,177)
Effect of foreign currency translation 0
Deferred Revenue, ending balance $ 2,161