Note C - Inventories	12 Months Ended
Dec. 31, 2011
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 $50.7 million and $47.1 million at December 31, 2011 and 2010, respectively. During 2010, some inventory quantities were reduced resulting in liquidation of certain LIFO quantities carried at lower costs from earlier years versus 2010 costs and the related effect increased net income by $829,000 or $0.04 per share. Allowances for excess and obsolete inventory totaled $3.0 million and $2.7 million at December 31, 2011 and 2010, respectively.

Note C - Inventories

12 Months Ended

Dec. 31, 2011

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 $50.7 million and $47.1 million at December 31, 2011 and 2010, respectively. During 2010, some inventory quantities were reduced resulting in liquidation of certain LIFO quantities carried at lower costs from earlier years versus 2010 costs and the related effect increased net income by $829,000 or $0.04 per share. Allowances for excess and obsolete inventory totaled $3.0 million and $2.7 million at December 31, 2011 and 2010, respectively.

- Definition

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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