v3.20.1

FAIR VALUE MEASUREMENT - Reconciliation (Details) $ in Thousands | 3 Months Ended
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Mar. 28, 2020 USD ($)
FAIR VALUE MEASUREMENT |
Beginning balance | $ 496
Change due to vesting of awards granted | 166
Change in fair value measurement of liability | (52)
Ending balance | 610
PE and PEAR awards | Level 3 |
FAIR VALUE MEASUREMENT |
Beginning balance | 496
Change due to vesting of awards granted | 166
Change in fair value measurement of liability | (52)
Ending balance | $ 610

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