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COMMITMENTS AND CONTINGENCIES
 12 Months Ended
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies
COMMITMENTS AND CONTINGENCIES
We are subject to a number of claims of various amounts, which arise out of the normal course of business. In the opinion of management, the disposition of pending claims will not have a material adverse effect on our financial position, results of operations or cash flows.
Rent expense under all operating leases was $1.0 million in each of 2014, 2013 and 2012. We lease certain equipment, vehicles and operating facilities under non-cancellable operating leases , some of which have escalation clauses that expire on various dates through 2022. Future minimum lease payments under non-cancellable operating leases are as follows (in thousands):
2015
$
1,032

2016
927

2017
763

2018
485

2019
235

thereafter
628

     Total
$
4,070


At December 31, 2014, firm commitments to vendors totaled $0.7 million.