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STATEMENTS OF CASH FLOWS
 6 Months Ended
Jun. 30, 2013
STATEMENTS OF CASH FLOWS [Abstract]  
STATEMENTS OF CASH FLOWS
STATEMENTS OF CASH FLOWS
Changes in current assets and liabilities were as follows:
 
 
Six Months Ended June 30,
 
2013
 
2012
 
(Thousands of Dollars)
Decrease (increase) in current assets:
 
 
 
Receivable from related parties
$
(2,011
)
 
$
(9,866
)
Income tax receivable
6

 
(1,037
)
Other receivables
147

 
(558
)
Other current assets
(110
)
 
(145
)
Increase (decrease) in current liabilities:
 
 
 
Accounts payable
(626
)
 
190

Accrued compensation expense
3,593

 
701

Accrued liabilities
(77
)
 
(148
)
Taxes other than income tax
(873
)
 
(978
)
Changes in current assets and liabilities
$
49

 
$
(11,841
)

Cash flows related to interest and income tax were as follows:
 
 
Six Months Ended June 30,
 
2013
 
2012
 
(Thousands of Dollars)
Cash paid for interest
$
246

 
$
240

Cash refunded for income tax
$
(35
)
 
$
(20
)