CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current Assets:
Cash and Cash Equivalents	$ 10,830	$ 21,287
Marketable Securities	60,406	39,811
Accounts and Other Receivables	163	324
Prepaid and Other Current Assets	1,890	1,525
Total Current Assets	73,289	62,947
Property and Equipment, Net	9,985	10,832
Intangible Assets, Net	25,870	26,836
Other Assets	367	363
Goodwill	8,965	8,965
Total Assets	118,476	109,943
Current Liabilities:
Accounts Payable	514	931
Accrued Expenses	4,416	4,936
Current Portion of Long-Term Liabilities	479	818
Current Portion of Term Loan	5,000	1,111
Convertible Subordinated Debt		12,412
Total Current Liabilities	10,409	20,208
Term Loan, less Current Portion	10,068	8,889
Other Long-Term Liabilities	5,994	5,591
Total Liabilities	26,471	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 June 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 June 30, 2011 and December 31, 2010, respectively	44	32
Additional Paid-In Capital	269,689	232,679
Accumulated Other Comprehensive Income	2,774	2,751
Accumulated Deficit	(180,502)	(160,207)
Total Stockholders' Equity	92,005	75,255
Total Liabilities and Stockholders' Equity	$ 118,476	$ 109,943