CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Current assets    
Cash and cash equivalents $ 33,586 $ 56,960
Assets held for sale 787 0
Other current assets 455 469
Total current assets 34,828 57,429
Long-term deposit 247 54
Property and equipment, net 230 294
Intangible assets, net 22,748 34,044
Goodwill 65,757 65,965
Total assets 123,810 157,786
Current liabilities    
Accounts payable and accrued expenses 5,146 1,444
Accrued employee compensation 299 398
Derivative liabilities on account of warrants 43 0
Total current liabilities 5,488 1,842
Long-term liabilities    
Derivative liabilities on account of warrants 4,040 7,612
Commitments and contingencies (Note 12)      
Stockholders' equity    
Series A Convertible Preferred stock, $0.01 par value per share; 5,000,000 authorized; none issued and outstanding 0 0
Common stock, $0.01 par value per share 150,000,000 and 100,000,000 authorized; 84,502,653 and 81,889,226 issued and outstanding as of December 31, 2013 and 2012, respectively 845 819
Additional paid-in capital 189,465 171,108
Deficit accumulated during the development stage (76,028) (23,595)
Total stockholders’ equity 114,282 148,332
Total liabilities and stockholders’ equity $ 123,810 $ 157,786