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4. Inventories

12 Months Ended

Dec. 31, 2011

4.	Inventories

Inventories consist of the following at December 31:

	2011			2010
Inventories:
Parts and supplies	$	1,148,313		$	1,362,960
Work-in-progress		500,262			381,475
Finished goods		1,121,746			313,981
Valuation reserve		(461,757	)		(439,322	)
	$	2,308,564		$	1,619,094

- 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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