XML 22 R13.htm IDEA: XBRL DOCUMENT v2.3.0.15

Additional Balance Sheet Information

9 Months Ended

Sep. 30, 2011

Additional Balance Sheet Information [Abstract]

Additional Balance Sheet Information

(4) Additional Balance Sheet Information:

Certain balance sheet amounts are comprised of the following:

(Thousands of dollars)		September 30, 2011				December 31, 2010
Accounts Receivable:
Joint interest billing		$	2,547			$	2,538
Trade receivables			2,075				1,688
Oil and gas sales			8,352				8,139
Other			131				724
			13,105				13,089
Less: Allowance for doubtful accounts			399				341
Total		$	12,706			$	12,748
Accounts Payable:
Trade		$	4,073			$	3,421
Royalty and other owners			12,194				10,395
Prepaid drilling deposits			4,134				12,871
Other			7,033				7,689
Total		$	27,434			$	34,376
Accrued Liabilities:
Compensation and related expenses		$	3,426			$	2,010
Property costs			2,758				3,282
Income tax			3				930
Other			1,139				1,454
Total		$	7,326			$	7,676

X

- Definition

Additional Balance Sheet Information Text Block

+ Details

Name:	pnrg_AdditionalBalanceSheetInformationTextBlock
Namespace Prefix:	pnrg
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration