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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%) |

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