XML 18 R2.htm IDEA: XBRL DOCUMENT v3.3.1.900
Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Current assets    
Cash $ 12,590 $ 54,649
Marketable securities 83,840  
Accounts receivable 44 2,966
Prepaid expenses and other current assets 1,201 134
Total current assets 97,675 57,749
Property and equipment, net 2,310 899
Patents, licenses, and other intangible assets, net 9,971 9,116
Marketable securities - long term 96,891  
Other assets 63 59
Total assets 206,910 67,823
Current liabilities    
Accounts payable 6,400 1,691
Accrued expenses 3,634 2,251
Current portion of deferred rent 108  
Current portion of deferred revenue 33,287 2,254
Total current liabilities 43,429 6,196
Deferred rent, less current portion 507  
Deferred revenue, less current portion 542 2,337
Total liabilities $ 44,478 $ 8,533
Commitments and contingencies (see note 10)
Stockholders' equity    
Preferred stock, $0.01 par value: 10,000,000 authorized shares; -0- issued and outstanding shares at December 31, 2015 and 2014
Common stock, $0.01 par value: 200,000,000 authorized shares; 40,551,039 issued and outstanding shares at December 31, 2015 and 31,434,272 issued and outstanding at December 31, 2014 $ 405 $ 314
Additional paid-in capital 424,128 302,969
Accumulated other comprehensive income (516)  
Accumulated deficit (261,585) (243,993)
Total stockholders' equity 162,432 59,290
Total liabilities and stockholders' equity $ 206,910 $ 67,823