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Note 4 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 30, 2021 | Feb. 01, 2020 | Jan. 30, 2021 | Feb. 01, 2020
Net sales | $ 94,139 | $ 127,657 | $ 365,150 | $ 482,824
Transferred at Point in Time [Member] |  |  |  |
Net sales | 51,196 | 62,940 | 179,301 | 222,853
Transferred over Time [Member] |  |  |  |
Net sales | 42,943 | 64,717 | 185,849 | 259,971
Unique Configuration [Member] |  |  |  |
Net sales | 32,732 | 53,231 | 154,081 | 223,955
Limited Configuration [Member] |  |  |  |
Net sales | 50,254 | 61,351 | 176,802 | 219,417
Service and Other [Member] |  |  |  |
Net sales | 11,153 | 13,075 | 34,267 | 39,452
Commercial [Member] |  |  |  |
Net sales | 30,085 | 36,880 | 94,947 | 120,566
Commercial [Member] | Transferred at Point in Time [Member] |  |  |  |
Net sales | 25,092 | 26,555 | 71,210 | 81,562
Commercial [Member] | Transferred over Time [Member] |  |  |  |
Net sales | 4,993 | 10,325 | 23,737 | 39,004
Commercial [Member] | Unique Configuration [Member] |  |  |  |
Net sales | 2,087 | 7,209 | 14,322 | 29,181
Commercial [Member] | Limited Configuration [Member] |  |  |  |
Net sales | 24,630 | 26,304 | 69,796 | 80,193
Commercial [Member] | Service and Other [Member] |  |  |  |
Net sales | 3,368 | 3,367 | 10,829 | 11,192
Live Events [Member] |  |  |  |
Net sales | 23,330 | 40,571 | 112,626 | 159,196
Live Events [Member] | Transferred at Point in Time [Member] |  |  |  |
Net sales | 5,720 | 8,614 | 18,670 | 30,903
Live Events [Member] | Transferred over Time [Member] |  |  |  |
Net sales | 17,610 | 31,957 | 93,956 | 128,293
Live Events [Member] | Unique Configuration [Member] |  |  |  |
Net sales | 14,006 | 27,459 | 83,283 | 114,459
Live Events [Member] | Limited Configuration [Member] |  |  |  |
Net sales | 4,536 | 6,436 | 14,566 | 25,662
Live Events [Member] | Service and Other [Member] |  |  |  |
Net sales | 4,788 | 6,676 | 14,777 | 19,075
High School Park and Recreation [Member] |  |  |  |
Net sales | 14,644 | 14,775 | 71,165 | 75,433
High School Park and Recreation [Member] | Transferred at Point in Time [Member] |  |  |  |
Net sales | 9,163 | 11,080 | 48,249 | 55,791
High School Park and Recreation [Member] | Transferred over Time [Member] |  |  |  |
Net sales | 5,481 | 3,695 | 22,916 | 19,642
High School Park and Recreation [Member] | Unique Configuration [Member] |  |  |  |
Net sales | 3,604 | 1,511 | 16,363 | 12,727
High School Park and Recreation [Member] | Limited Configuration [Member] |  |  |  |
Net sales | 10,424 | 12,422 | 52,808 | 60,349
High School Park and Recreation [Member] | Service and Other [Member] |  |  |  |
Net sales | 616 | 842 | 1,994 | 2,357
Transportation [Member] |  |  |  |
Net sales | 11,769 | 13,916 | 41,590 | 53,264
Transportation [Member] | Transferred at Point in Time [Member] |  |  |  |
Net sales | 3,436 | 5,683 | 15,740 | 19,901
Transportation [Member] | Transferred over Time [Member] |  |  |  |
Net sales | 8,333 | 8,233 | 25,850 | 33,363
Transportation [Member] | Unique Configuration [Member] |  |  |  |
Net sales | 7,880 | 7,857 | 24,579 | 32,173
Transportation [Member] | Limited Configuration [Member] |  |  |  |
Net sales | 3,273 | 5,580 | 15,364 | 19,550
Transportation [Member] | Service and Other [Member] |  |  |  |
Net sales | 616 | 479 | 1,647 | 1,541
International [Member] |  |  |  |
Net sales | 14,311 | 21,515 | 44,822 | 74,365
International [Member] | Transferred at Point in Time [Member] |  |  |  |
Net sales | 7,785 | 11,008 | 25,432 | 34,696
International [Member] | Transferred over Time [Member] |  |  |  |
Net sales | 6,526 | 10,507 | 19,390 | 39,669
International [Member] | Unique Configuration [Member] |  |  |  |
Net sales | 5,155 | 9,195 | 15,534 | 35,415
International [Member] | Limited Configuration [Member] |  |  |  |
Net sales | 7,391 | 10,609 | 24,268 | 33,663
International [Member] | Service and Other [Member] |  |  |  |
Net sales | $ 1,765 | $ 1,711 | $ 5,020 | $ 5,287

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