XML 31 R18.htm IDEA: XBRL DOCUMENT v2.4.0.6
Basis of Presentation (Tables)
 3 Months Ended
Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock Options Activity
The following table summarizes the Company's stock option activity for the three months ended March 31, 2013:
 
   
 
Number
of
Shares
  
Weighted
Average
 Option
 Exercise
 Price Per
 Share
  
Weighted
 Average
Grant
Date Fair
 Value
Per Share
 
Outstanding, December 31, 2012
  4,761  $2.77  $1.98 
Granted
  —   —   — 
Exercised
  (1 )  0.68   0.32 
Outstanding, March 31, 2013
  4,760  $2.77  $1.86 
Additional Information Related To Stock Options
 Additional information related to stock options at March 31, 2013 and December 31, 2012 is as follows:
 
   
March 31,
  
December 31,
 
   
2013
  
2012
 
Options exercisable                                                                                    
  3,544   2,992 
Restricted Stock Activity
The following table summarizes the Company's restricted stock activity for the three months ended March 31, 2013:
 
   
Number
of
Shares
  
Weighted
Average
Grant Date
Fair Value
Per Share
 
Unvested, December 31, 2012                                                 
  482  $3.09 
Granted                                                 
  —   — 
Vested/Released                                                 
  (38 )  1.77 
Forfeited                                                 
  —   — 
Unvested, March 31, 2013                                                 
  444  $3.20 
Asset Retirement Obligation Transactions
The following table summarizes the Company's asset retirement obligation transactions for the three months ended March 31, 2013 and the year ended December 31, 2012:
 
   
March 31, 2013
  
December 31, 2012
 
Beginning asset retirement obligation
 $11,381  $8,412 
New wells placed on production and other
  81   330 
Deletions related to property disposals and plugging costs
  (431 )  (423 )
Accretion expense
  172   474 
Revisions
  (2 )  2,588 
Ending asset retirement obligation
 $11,201  $11,381 
Restricted Stock [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Expense
The following table summarizes the Company's stock-based compensation expense related to restricted stock for the periods presented:
 
Three Months Ended
March 31,
 
2013
  
2012
 
$112  $131 
Stock Options [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Expense
The following table summarizes the Company's stock-based compensation expense related to stock options for the periods presented:
 
Three Months Ended
March 31,
 
2013
  
2012
 
$362  $346