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Note 2 - Inventories	3 Months Ended
Note 2 - Inventories	Jul. 28, 2012
Inventory Disclosure [Text Block]	2. INVENTORIES Inventories are stated at the lower of first-in, first-out cost or market. Inventories at July 28, 2012 are comprised of finished goods of $25.7 million and raw materials of $18.3 million. Inventories at April 28, 2012 are comprised of finished goods of $24.4 million and raw materials of $16.5 million.

The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

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