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v3.23.1

Contract Advances (Details) $ in Thousands | 3 Months Ended
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Apr. 30, 2023 USD ($)
Contract Advances |
Contract liability - January 31, 2023 | $ 1,627
Increases to contract liability | 212
Decreases to contract liability | (500)
Contract liability - April 30, 2023 | $ 1,339

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