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Segment Information (Tables)
9 Months Ended
Sep. 30, 2012
Segment Information [Abstract]  
Summary of result of operations and total assets by segment
As of September 30, 2012, we had two reportable segments: Oil and Gas and Maintenance of Mineral Properties.  A summary of results of operations for the nine months ended September 30, 2012, and 2011, and total assets as of September 30, 2012 and December 31, 2011 by segment are as follows:

 
 
(In thousands)
 
 
(In thousands)
 
 
For the three months ended September 30,
 
 
For the nine months ended September 30,
 
 
2012
 
 
2011
 
 
2012
 
 
2011
 
Revenues:
 
 
 
 
 
 
 
 
 
 
 
 
Oil and gas
 
$
7,639
 
 
$
8,408
 
 
$
24,496
 
 
$
22,112
 
Total revenues:
 
 
7,639
 
 
 
8,408
 
 
 
24,496
 
 
 
22,112
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating expenses:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Oil and gas
 
 
5,924
 
 
 
6,505
 
 
 
19,569
 
 
 
18,444
 
Mineral properties
 
 
1,009
 
 
 
763
 
 
 
2,270
 
 
 
1,770
 
Total operating expenses:
 
 
6,933
 
 
 
7,268
 
 
 
21,839
 
 
 
20,214
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Interest expense
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Oil and gas
 
 
45
 
 
 
52
 
 
 
103
 
 
 
81
 
Mineral properties
 
 
6
 
 
 
9
 
 
 
18
 
 
 
27
 
Total interest expense:
 
 
51
 
 
 
61
 
 
 
121
 
 
 
108
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating (loss) income
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Oil and gas
 
$
1,670
 
 
$
1,851
 
 
$
4,824
 
 
$
3,587
 
Mineral properties
 
 
(1,015
)
 
 
(772
)
 
 
(2,288
)
 
 
(1,797
)
Operating income (loss)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
from identified segments
 
 
655
 
 
 
1,079
 
 
 
2,536
 
 
 
1,790
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
General and administrative expenses
 
 
(3,415
)
 
 
(1,829
)
 
 
(7,069
)
 
 
(6,378
)
Add back interest expense
 
 
51
 
 
 
61
 
 
 
121
 
 
 
108
 
Other revenues and expenses:
 
 
(446
)
 
 
1,711
 
 
 
1,048
 
 
 
909
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(Loss) income before income
 taxes
 
$
(3,155
)
 
$
1,022
 
 
$
(3,364
)
 
$
(3,571
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Depreciation depletion and amortization expense:
 
Oil and gas
 
$
3,410
 
 
$
3,862
 
 
$
11,081
 
 
$
9,767
 
Mineral properties
 
 
31
 
 
 
26
 
 
 
95
 
 
 
77
 
Corporate
 
 
120
 
 
121
 
 
 
365
 
 
 
371
 
Total depreciation expense
 
$
3,561
 
 
$
4,009
 
 
$
11,541
 
 
$
10,215
 

 
(In thousands)
 
 
September 30,
 
 
December 31,
 
 
2012
 
 
2011
 
Assets by segment
 
 
 
 
 
 
Oil and gas
 
$
98,041
 
 
$
109,141
 
Mineral
 
 
20,754
 
 
 
20,755
 
Corporate
 
 
29,391
 
 
 
32,543
 
Total assets
 
$
148,186
 
 
$
162,439