Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows (unaudited)

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Condensed Statements of Cash Flows (unaudited) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Cash flows from operating activities:    
Net income (loss) $ 6,001 $ (5,163)
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Depreciation and amortization 5 5
Non-cash gain on settlement of long-term debt (1,860)  
Non-cash gain on termination of royalty repurchase agreement (8,962)  
Interest on royalty liability   167
Non-cash loss on changes in fair value of warrants 3,045 16
Stock-based compensation 505 1,552
Changes in operating assets and liabilities:    
Receivables 552 189
Prepaid expenses and other assets 422 (62)
Accounts payable and other accrued liabilities 2,338 764
Deferred contract revenue (3,750)  
Net cash used in operating activities (1,704) (2,532)
Cash flows from investing activities:    
Purchases of furniture and equipment (180) (522)
Net cash used in investing activities (180) (522)
Cash flows from financing activities:    
Proceeds from the issuance of common stock from the exercise of stock options 113  
Proceeds from the exercise of warrants, net of issuance costs 1,275  
Payments on long-term debt   (44)
Net cash provided by (used in) financing activities 1,388 (44)
Net decrease in cash (496) (3,098)
Cash at beginning of period 18,102 5,406
Cash at end of period $ 17,606 $ 2,308