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Inventories	6 Months Ended
	Jun. 30, 2013
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 $0.03 million and $1.1 million as of June 30, 2013 and December 31, 2012, respectively. The Company also has deferred revenue of approximately $0.12 million and $1.2 million of advance billings received as of June 30, 2013 and December 31, 2012, respectively, related to these contracts.

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