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Condensed Consolidated Balance Sheets (Unaudited) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Current assets    
Cash and cash equivalents $ 28,298 $ 25,777
Investments - Certificates of deposit 0 4,980
Inventories 941 0
Accounts receivables 43 0
Prepaid expenses and other current assets 1,440 1,231
Total current assets 30,722 31,988
Property, plant and equipment    
Land 154 154
Building and building improvements 449 0
Furniture and fixtures 969 880
Machinery and equipment 1,435 1,371
Computer software and equipment 2,136 1,212
Leasehold improvements 1,698 1,148
Property, plant and equipment, gross 6,841 4,765
Less: accumulated depreciation (2,556) (1,512)
Property, plant and equipment, net 4,285 3,253
Total assets 35,007 35,241
Current liabilities    
Accounts payable and accrued expenses 5,148 6,398
Warrant liability 4,561 2,439
Total current liabilities 9,709 8,837
Deferred revenue 358 300
Commitments and contingencies      
Stockholders' equity    
Preferred stock, $.01 par value; 10,000,000 shares authorized; no shares issued and outstanding at September 30, 2012 and December 31, 2011 0 0
Common stock, $.01 par value; 170,000,000 shares authorized; 73,422,008 and 48,237,634 shares issued and 73,393,908 and 48,209,534 outstanding at September 30, 2012 and December 31, 2011, respectively 734 482
Additional paid-in capital 212,324 172,613
Accumulated deficit (188,150) (146,940)
Treasury stock, at cost; 28,100 shares at September 30, 2012 and December 31, 2011 (51) (51)
Accumulated other comprehensive income 83 0
Total stockholders' equity 24,940 26,104
Total liabilities and stockholders' equity $ 35,007 $ 35,241