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STATEMENTS OF CASH FLOWS Table 1 (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Decrease (increase) in current assets:    
Receivable from related parties $ (9,654) $ (6,586)
Income tax receivable 885 2,619
Other receivables 147 299
Other current assets (60) (98)
Increase (decrease) in current liabilities:    
Accounts payable (523) 319
Accrued compensation expense 2,058 1,741
Accrued liabilities (24) (23)
Income tax payable 0 249
Taxes other than income tax (929) (760)
Changes in current assets and liabilities $ (8,100) $ (2,240)