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v3.20.4

Revision of Previously Issued Financial Statements - Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |
Net income | $ (1,756) | $ (1,678) | $ (2,023) | $ 4 | $ 4,585 | $ 11,847 | $ (2,511) | $ (6,056) | $ (5,455) | $ 7,864 | $ 3,044
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |  |  |
Contract assets |  |  |  |  |  |  |  |  | (191) | 1,740 | (2,167)
Income taxes payable |  |  |  |  |  |  |  |  | (5,642) | 158 | (2,682)
Net cash provided by operating activities |  |  |  |  |  |  |  |  | $ 14,922 | 18,244 | 1,226
As Previously Reported |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  | 8,789 | 3,846
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |  |  |
Contract assets |  |  |  |  |  |  |  |  |  | 655 | (3,110)
Income taxes payable |  |  |  |  |  |  |  |  |  | 318 | (2,541)
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  | 18,244 | 1,226
Adjustment |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  | $ 500 |  |  |  |  | (925) | (802)
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |  |  |
Contract assets |  |  |  |  |  |  |  |  |  | 1,085 | 943
Income taxes payable |  |  |  |  |  |  |  |  |  | $ (160) | $ (141)

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