LEASES (Tables)
 12 Months Ended
Dec. 31, 2014
Leases [Abstract]  
Future minimum lease payments required under capital leases and present value of net minimum lease payments
As of December 31, 2014, the future minimum lease payments required under the capital leases and the present value of the net minimum lease payments for the years ending December 31 are as follows:
 
Amount
2015
$
514

2016
144

2017
55

2018
—

2019
—

Thereafter
—

Total minimum lease payments
713

Less: amount representing interest
(68
)
Present value of net minimum lease payments
645

Less: current maturities of capital lease obligations
(460
)
Long-term capital lease obligations
$
185
Schedule of assets recorded under capital leases
Assets recorded under capital leases and included in property and equipment in the Corporation’s consolidated balance sheets consist of the following at December 31, 2014 and 2013: 
 
December 31,
 
2014
 
2013
Field operating equipment
$
757

 
$
2,062

Vehicles
403

 
437

Computer equipment
235

 
292

Office equipment
122

 
152

Total cost of property and equipment under capital leases
1,517

 
2,943

Less: accumulated depreciation
(639
)
 
(1,280
)
Property under capital leases, net
$
878

 
$
1,663
Future minimum lease payments under noncancelable operating leases
As of December 31, 2014, future minimum lease payments under noncancelable operating leases (with initial or remaining lease terms in excess of one year) for the years ending December 31 are as follows: 
 
Amount
2015
$
1,740

2016
1,529

2017
1,379

2018
1,361

2019
619

Thereafter
—

Total future minimum lease payments
$
6,628