CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current Assets:
Cash and Cash Equivalents	$ 13,097	$ 21,287
Marketable Securities	49,677	39,811
Accounts and Other Receivables	204	324
Prepaid and Other Current Assets	1,404	1,525
Total Current Assets	64,382	62,947
Property and Equipment, Net	9,539	10,832
Intangible Assets, Net	25,214	26,836
Other Assets	348	363
Goodwill	8,965	8,965
Total Assets	108,448	109,943
Current Liabilities:
Accounts Payable	457	931
Accrued Expenses	5,966	4,936
Current Portion of Long-Term Liabilities	264	818
Current Portion of Term Loan	4,091	1,111
Convertible Subordinated Debt		12,412
Total Current Liabilities	10,778	20,208
Term Loan, less Current Portion	11,015	8,889
Other Long-Term Liabilities	5,981	5,591
Total Liabilities	27,774	34,688
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, 2011 and December 31, 2010
Common Stock, $.001 Par Value; 297,000,000 Shares Authorized; 44,147,214 and 32,055,382 Shares Issued and Outstanding at September 30, 2011 and December 31, 2010, respectively	44	32
Additional Paid-In Capital	270,250	232,679
Accumulated Other Comprehensive Income	2,654	2,751
Accumulated Deficit	(192,274)	(160,207)
Total Stockholders' Equity	80,674	75,255
Total Liabilities and Stockholders' Equity	$ 108,448	$ 109,943