Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets

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Condensed Consolidated Balance Sheets - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Current assets    
Cash and cash equivalents $ 49,990,000 $ 137,750,000
Marketable securities 69,852,000 0
Receivables 47,000 107,000
Prepaid expenses and other current assets 1,937,000 2,735,000
Total current assets 121,826,000 140,592,000
Property and equipment, net 8,007,000 1,374,000
Licensed technology, net 3,803,000 3,977,000
Goodwill 32,466,000 32,466,000
Other assets and restricted cash 595,000 357,000
Total assets 166,697,000 178,766,000
Current liabilities    
Accounts payable 5,783,000 2,393,000
Current portion of deferred revenue 0 3,214,000
Total current liabilities 5,783,000 5,607,000
Deferred revenue, net of current portion 0 3,061,000
Total liabilities 5,783,000 8,668,000
Commitments and contingencies
Stockholders' equity    
Common stock - $.01 par value; authorized 200,000,000 shares; issued, 47,327,785 at June 30, 2018 and 46,888,108 at December 31, 2017 473,000 469,000
Additional paid-in capital 536,733,000 529,421,000
Accumulated deficit (376,292,000) (359,792,000)
Total stockholders' equity 160,914,000 170,098,000
Total liabilities and stockholders' equity $ 166,697,000 $ 178,766,000