CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current Assets:
Cash and Cash Equivalents	$ 32,525	$ 169,402
Marketable Securities	191,553	133,581
Accounts and Other Receivables	2,905	489
Prepaid and Other Current Assets	2,842	1,717
Total Current Assets	229,825	305,189
Property and Equipment, Net	10,716	9,973
Intangible Assets, Net	22,060	22,820
Other Assets	99	148
Goodwill	8,965	8,965
Total Assets	271,665	347,095
Current Liabilities:
Accounts Payable	1,720	2,243
Accrued Expenses	17,703	17,179
Current Portion of Long-Term Liabilities	2,191	928
Total Current Liabilities	21,614	20,350
Other Long-Term Liabilities	10,679	6,950
Total Liabilities	32,293	27,300
Commitments and Contingent Liabilities
Stockholders' Equity:
Convertible Preferred Stock, $.01 Par Value; 3,000,000 Shares Authorized; No Shares Issued and Outstanding at September 30, 2014 and December 31, 2013
Common Stock, $.001 Par Value; 297,000,000 Shares Authorized; 89,436,933 and 89,246,832 Shares Issued and Outstanding at September 30, 2014 and December 31, 2013, respectively	89	89
Additional Paid-In Capital	668,596	662,717
Accumulated Other Comprehensive Income	2,624	2,668
Accumulated Deficit	(431,937)	(345,679)
Total Stockholders' Equity	239,372	319,795
Total Liabilities and Stockholders' Equity	$ 271,665	$ 347,095