Quarterly report pursuant to Section 13 or 15(d)

Revenue - Schedule of Contract Assets and Liabilities (Details)

v3.19.2
Revenue - Schedule of Contract Assets and Liabilities (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Account receivables, net of allowance $ 7,747 $ 7,735
Unbilled receivables - current 6,158 3,105
Deferred revenue 4,785 $ 6,595
Year-to-date Change [Member]    
Account receivables, net of allowance 12  
Unbilled receivables - current 3,053  
Deferred revenue $ (1,810)  
Changes in Account receivables, net of allowance, percentage 0.20%  
Changes in Unbilled receivables - current, percentage 98.30%  
Changes in Deferred revenue, percentage (27.40%)