Quarterly report pursuant to Section 13 or 15(d)

Revenue (ASC 606) (Details)

v3.10.0.1
Revenue (ASC 606) (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Jan. 01, 2018
Dec. 31, 2017
Assets:      
Other non-current assets $ 23,893 $ 22,491 $ 17,176
Liabilities:      
Deferred revenue, current 24,423 20,124 21,246
Deferred revenue, non-current 7,283 9,267 12,047
Equity:      
Accumulated deficit (59,105) (64,637) (73,854)
Without Adoption of ASC 606      
Assets:      
Other non-current assets 17,600   17,176
Liabilities:      
Deferred revenue, current 24,908   21,246
Deferred revenue, non-current 10,520   12,047
Equity:      
Accumulated deficit (69,120)   $ (73,854)
Accounting Standards Update 2014-09 | Effect of Change Higher/(Lower)      
Assets:      
Other non-current assets 6,293 5,315  
Liabilities:      
Deferred revenue, current (485) (1,122)  
Deferred revenue, non-current (3,237) (2,780)  
Equity:      
Accumulated deficit $ 10,015 $ 9,217