Condensed Consolidated Balance Sheets (USD $)	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 168,544,000	$ 211,574,000
Short-term investments	42,301,000	34,658,000
Receivables from licensees	600,000	469,000
Deferred tax assets	10,054,000	19,902,000
Prepaid and other current assets	12,014,000	18,060,000
Total current assets	233,513,000	284,663,000
Property and equipment, net	22,000	80,000
Long-term investments	17,101,000	1,997,000
Long-term deferred tax assets	11,481,000	22,620,000
Other assets	7,354,000	7,306,000
Total assets	269,471,000	316,666,000
Current liabilities:
Accounts payable	528,000	2,540,000
Accrued legal settlement	27,500,000	65,000,000
Accrued liabilities	11,609,000	7,204,000
Current portion of non-recourse notes payable	93,370,000	119,247,000
Total current liabilities	133,007,000	193,991,000
Convertible notes payable	316,615,000	310,428,000
Non-recourse notes payable		85,023,000
Other long-term liabilities	24,122,000	51,406,000
Total liabilities	473,744,000	640,848,000
Commitments and contingencies (Note 11)	0	0
Stockholders' deficit:
Preferred stock, par value $0.01 per share, 10,000 shares authorized; no shares issued and outstanding	0	0
Common stock, par value $0.01 per share, 250,000 shares authorized; 139,680 and 139,640 shares issued and outstanding at December 31, 2011 and 2010, respectively	1,397,000	1,396,000
Additional paid-in capital	(161,750,000)	(87,373,000)
Accumulated other comprehensive income (loss)	(1,885,000)	3,219,000
Accumulated deficit	(42,035,000)	(241,424,000)
Total stockholders' deficit	(204,273,000)	(324,182,000)
Total liabilities and stockholders' deficit	$ 269,471,000	$ 316,666,000