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Partnership Unit Repurchase Plans
12 Months Ended
Dec. 31, 2012
Partnership Unit Repurchase Plans
7.   PARTNERSHIP UNIT REPURCHASE PLANS

The Partnership adopted a unit repurchase plan in December 2008 pursuant to which authorization was granted to repurchase limited partner units with an aggregate value of up to $2.5 million. Since that time, we have increased the aggregate value of units authorized for repurchase to $5 million and extended the repurchase plan to allow for repurchases through December 2013. As of December 31, 2012, there remained an unutilized authorization for unit repurchases of $2.5 million.