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Note 4 - Revenue Recognition - Reconciliation of the Cost in Excess of Billings (Details) - USD ($) $ in Thousands | Apr. 30, 2024 | Jan. 31, 2024
--- | --- | ---
Costs incurred on uncompleted contracts | $ 15,980 | $ 21,912
Estimated earnings | 10,441 | 11,270
Earned revenue | 26,421 | 33,182
Less billings to date | 25,010 | 30,580
Costs in excess of billings, net | 1,411 | 2,602
Contract assets: Costs and estimated earnings in excess of billings on uncompleted contracts | 2,302 | 3,097
Contract liabilities: Billings in excess of costs and estimated earnings on uncompleted contracts | (891) | (495)
Costs in excess of billings, net | $ 1,411 | $ 2,602

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