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Consolidated Condensed Balance Sheets (Unaudited) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Current assets  
Cash and cash equivalents$ 40,962,993$ 45,621,453
Investments - Certificates of deposit3,735,0001,492,000
Prepaid expenses and other assets1,028,9021,784,276
Total current assets45,726,89548,897,729
Property, plant and equipment  
Land154,2240
Furniture and fixtures2,067,289669,296
Computers and equipment1,089,398548,586
Leasehold improvements1,121,366939,518
Property, plant and equipment, gross4,432,2772,157,400
Less: accumulated depreciation(1,200,798)(477,420)
Property, plant and equipment, net3,231,4791,679,980
Total assets48,958,37450,577,709
Current liabilities  
Accounts payable657,929610,457
Accrued expenses4,377,2912,581,853
Warrant liability3,140,99618,005,014
Total current liabilities8,176,21621,197,324
Deferred revenue300,000300,000
Commitments and contingencies  
Stockholders' equity  
Preferred stock, $.01 par value; 10,000,000 shares authorized; no shares issued and outstanding00
Common stock, $.01 par value; 70,000,000 shares authorized; 48,232,774 and 43,028,146 shares issued and 47,993,732 and 42,932,460 outstanding at September 30, 2011 and December 31, 2010, respectively482,328430,281
Additional paid-in capital171,762,847144,782,807
Deficit accumulated during the development stage(131,671,714)(116,055,400)
Treasury stock, at cost; 28,100 shares at September 30, 2011 and December 31, 2010(51,103)(51,103)
Accumulated other comprehensive loss(40,200)(26,200)
Total stockholders' equity40,482,15829,080,385
Total liabilities and stockholders' equity$ 48,958,374$ 50,577,709