Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited)

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CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Current assets:    
Cash and cash equivalents $ 50,379 $ 45,345 [1]
Short-term investments 19,996 39,987 [1]
Trade and other receivables, net 6,270 8,249 [1]
Prepaid expenses and other current assets 3,062 2,256 [1]
Total current assets 79,707 95,837 [1]
Property and equipment, net 7,861 8,143 [1]
Other assets 1,378 1,696 [1]
Total assets 88,946 105,676 [1]
Current liabilities:    
Accounts payable 4,194 3,867 [1]
Accrued and other liabilities 5,410 13,045 [1]
Deferred revenue 3,756 3,409 [1]
Interest bearing obligation - current 4,085 3,391 [1]
Accrued Interest on interest bearing obligations - current 1,662 121 [1]
Total current liabilities 19,107 23,833 [1]
Deferred revenue - long-term 5,857 6,315 [1]
Interest bearing obligations - long-term 37,017 37,653 [1]
Contingent warrant liabilities 27,841 15,001 [1]
Other liabilities - long term 33 1,407 [1]
Total liabilities 89,855 84,209 [1]
Stockholders' (deficit) equity:    
Common stock, $0.0075 par value, 138,666,666 shares authorized, 82,887,828 and 82,447,274 shares outstanding at March 31, 2013 and December 31, 2012, respectively 618 615 [1]
Additional paid-in capital 980,467 977,962 [1]
Accumulated comprehensive income 11 8 [1]
Accumulated deficit (982,005) (957,118) [1]
Total stockholders' (deficit) equity (909) 21,467 [1]
Total liabilities and stockholders' (deficit) equity $ 88,946 $ 105,676 [1]
[1] The condensed consolidated balance sheet as of December 31, 2012 has been derived from the audited consolidated financial statements as of that date included in the Company's Annual Report on Form 10-K for the year ended December 31, 2012.