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Inventories	12 Months Ended
Inventories	Dec. 31, 2012
Inventories [Abstract]
Inventory Disclosure [Text Block]	Inventories Inventories, representing work in process for costs incurred on projects at PCT that have not been completed, were $1.1 million and $0.6 million as of December 31, 2012 and December 31, 2011, respectively. The Company also has deferred revenue of approximately $1.2 million and $1.0 million of billings received as of December 31, 2012 and December 31, 2011, respectively, related to these contracts.

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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