STATEMENTS OF CASH FLOWS Table 1 (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Decrease (increase) in current assets:
Receivable from related parties	$ 338	$ 1,077	$ 5,771
Income tax receivable	1,252	(780)	(1,339)
Other receivables	70	211	550
Other current assets	(187)	(210)	(62)
Increase (decrease) in current liabilities:
Accounts payable	(678)	542	104
Accrued compensation expense	(4,743)	(4,557)	(5,601)
Accrued liabilities	107	(33)	64
Income tax payable	0	0	(302)
Taxes other than income tax	(159)	112	231
Changes in current assets and liabilities	$ (4,000)	$ (3,638)	$ (584)