XML 21 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
Additional Balance Sheet Information (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Accounts Receivable:    
Joint interest billing $ 8,744 $ 2,347
Trade receivables 1,951 1,558
Oil and gas sales 8,478 9,876
Other 1,294 3,146
Accounts Receivable, Gross 20,467 16,927
Less: Allowance for doubtful accounts (428) (421)
Total 20,039 16,506
Accounts Payable:    
Trade 4,878 5,853
Royalty and other owners 10,626 13,645
Prepaid drilling deposits 570 779
Other 15,588 9,261
Total 31,662 29,538
Accrued Liabilities:    
Compensation and related expenses 4,050 2,137
Property costs 3,282 5,117
Income tax   362
Other 1,190 1,347
Total $ 8,522 $ 8,963