Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 2,061	$ 1,900	[1]
Short-term investments	15,493	24,495	[1]
Accounts receivable	1,603	2,564	[1]
Prepaid expenses and other current assets	109	12	[1]
Total current assets	19,266	28,971	[1]
Property and equipment, net	323	345	[1]
Debt issuance costs, net	2,877	3,085	[1]
Total assets	22,466	32,401	[1]
Current liabilities:
Accounts payable	959	703	[1]
Accrued liabilities	1,748	411	[1]
Accrued compensation and related expense	728	978	[1]
Accrued royalties	919	964	[1]
Accrued interest	2,352	1,171	[1]
Non-recourse secured notes payable, current	6,918	6,286
Warrant liability	2,907	4,155
Total current liabilities	16,531	14,668	[1]
Non-recourse secured notes payable	51,640	52,272	[1]
Total liabilities	68,171	66,940	[1]
Commitments and contingencies			[1]
Stockholders' deficit:
Preferred stock, $0.01 par value, 5,000,000 shares authorized, none issued and outstanding			[1]
Common stock, $0.01 par value, 240,000,000 shares authorized; 131,951,033 shares issued and outstanding at June 30, 2012 and December 31, 2011	1,320	1,320	[1]
Additional paid-in capital	164,103	163,668	[1]
Accumulated deficit	(211,128)	(199,527)	[1]
Total stockholders' deficit	(45,705)	(34,539)	[1]
Total liabilities and stockholders' deficit	$ 22,466	$ 32,401	[1]

[1] Derived from the Company's audited consolidated financial statements as of December 31, 2011. See accompanying notes to condensed consolidated financial statements.