Note C - Inventories	12 Months Ended
Note C - Inventories	Dec. 31, 2012
Inventory Disclosure [Text Block]	Note C – Inventories Inventories are stated at the lower of cost or market. Replacement cost approximates current cost and the excess over LIFO cost is approximately $53.2 million and $50.7 million at December 31, 2012 and 2011, respectively. Allowances for excess and obsolete inventory totaled $3.3 million and $3.0 million at December 31, 2012 and 2011, respectively.

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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