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Note 4 - Revenue Recognition - Reconciliation of the Cost in Excess of Billings (Details) - USD ($)
$ in Thousands
Apr. 30, 2021
Jan. 31, 2021
Costs incurred on uncompleted contracts $ 18,035 $ 17,543
Estimated earnings 9,825 9,651
Earned revenue 27,860 27,194
Less billings to date 26,421 23,949
Costs in excess of billings, net 1,439 3,245
Contract assets: Costs and estimated earnings in excess of billings on uncompleted contracts 3,473 4,007
Contract liabilities: Billings in excess of costs and estimated earnings on uncompleted contracts $ (2,034) $ (762)