CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 22,325	$ 32,212
Accounts receivable, net	11,881	11,821
Prepaid royalties	0	483
Prepaid expenses and other	5,167	4,087
Total current assets	39,373	48,603
Property and equipment, net	5,026	3,934
Other long-term assets	227	404
Intangible assets, net	10,889	10,078
Goodwill	19,440	21,991
Total assets	74,955	85,010
Current liabilities:
Accounts payable	7,269	6,894
Accrued liabilities	2,124	939
Accrued compensation	5,989	5,404
Accrued royalties	2,781	3,865
Accrued restructuring	4	887
Deferred revenues	11,711	9,345
Total current liabilities	29,878	27,334
Other long-term liabilities	6,190	8,503
Total liabilities	36,068	35,837
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.0001 par value; 5,000 shares authorized at December 31, 2012 and 2011; no shares issued and outstanding at December 31, 2012 and 2011	0	0
Common stock, $0.0001 par value: 250,000 authorized at December 31, 2012 and 2011; 66,022 and 63,749 shares issued and outstanding at December 31, 2012 and 2011	6	6
Additional paid-in capital	271,016	260,744
Accumulated other comprehensive income	167	266
Accumulated deficit	(232,302)	(211,843)
Total stockholders' equity	38,887	49,173
Total liabilities and stockholders' equity	$ 74,955	$ 85,010