Quarterly report pursuant to Section 13 or 15(d)

Revenue - Capitalized Contract Costs (Details)

v3.8.0.1
Revenue - Capitalized Contract Costs (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2018
USD ($)
Capitalized Contract Cost [Line Items]  
Beginning balance $ 0
Increases as a result of cumulative catch-up adjustment 930
Capitalization during period 203
Amortization (29)
Ending balance 1,103
Costs to Obtain  
Capitalized Contract Cost [Line Items]  
Beginning balance 0
Increases as a result of cumulative catch-up adjustment 120
Capitalization during period 30
Amortization (7)
Ending balance 142
Costs to Fulfill  
Capitalized Contract Cost [Line Items]  
Beginning balance 0
Increases as a result of cumulative catch-up adjustment 810
Capitalization during period 173
Amortization (22)
Ending balance $ 961