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Escrow Agreement	6 Months Ended
Escrow Agreement	Jun. 30, 2013
Escrow Agreement	9. Escrow Agreement On August 18, 2011, we entered into an escrow agreement with the sellers of the North Jackson facility, pursuant to which $2.5 million of the purchase price of the North Jackson facility was placed in escrow. The escrow agreement remains effective while resolution of claims is completed.