CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 78,708	$ 130,800
Restricted cash	1,770	1,257
Receivables:
Trade	26,227	7,961
Accounts with partners, net of allowance of $7.2 million and $6.0 million at June 30, 2013 and December 31, 2012, respectively	4,821	689
Other	7,688	4,463
Crude oil inventory	3,328	683
Materials and supplies	642	337
Prepayments and other	4,099	2,935
Total current assets	127,283	149,125
Property and equipment - successful efforts method:
Wells, platforms and other production facilities	198,571	188,208
Undeveloped acreage	28,410	28,657
Work in progress	61,929	38,137
Equipment and other	7,221	7,574
Property, plant and equipment, gross, Total	296,131	262,576
Accumulated depreciation, depletion and amortization	(163,411)	(155,968)
Net property and equipment	132,720	106,608
Other assets:
Deferred tax asset	1,349	1,349
Restricted cash	10,871	10,874
Total Assets	272,223	267,956
Current liabilities:
Accounts payable and accrued liabilities	33,219	30,326
Accounts with partners		14,737
Total current liabilities	33,219	45,063
Asset retirement obligations	11,135	10,368
Total Liabilities	44,354	55,431
Commitments and Contingencies (Note 4)
VAALCO Energy, Inc. shareholders' equity:
Common stock, $0.10 par value, 100,000,000 authorized shares, 63,167,438 and 63,135,772 shares issued with 5,491,038 and 5,257,638 shares in treasury at June 30, 2013 and December 31, 2012, respectively	6,317	6,314
Additional paid-in capital	51,186	48,816
Retained earnings	195,680	181,370
Less treasury stock, at cost	(25,314)	(23,975)
Total VAALCO Energy, Inc. shareholders' equity	227,869	212,525
Total Liabilities and Equity	$ 272,223	$ 267,956