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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
ASSETS    
Cash and cash equivalents $ 50,282 $ 22,104
Restricted cash 3,286 1,546
Investments 64,115 32,546
Receivables from collaborations 6,117 8,768
Inventory 500
Prepaid expenses and other current assets 1,381 1,438
Deferred collaboration expense 210 85
Total current assets 125,391 66,987
Investments 41,295 8,926
Property and equipment, net 9,546 9,922
Deferred collaboration expense 199
Other assets 2,027 3,813
Total assets 178,259 89,847
LIABILITIES AND STOCKHOLDERS’ EQUITY    
Accounts payable 6,337 4,269
Accrued expenses 12,699 10,836
Interest payable 12,095 8,990
Deferred collaboration revenue 8,484 2,022
Lease financing obligation 75
Senior credit facility 6,464
Non-recourse notes payable 28,682 28,243
Total current liabilities 74,836 54,360
Deferred collaboration revenue 8,184
Deferred rent 155 244
Lease Financing Obligation, Net of Current 2,751 2,704
Long-term Line of Credit 16,750 22,777
Stockholders’ equity:    
Preferred stock, $0.001 par value; shares authorized — 5,000; no shares outstanding
Common stock, $0.01 par value; shares authorized — 200,000; shares issued and outstanding — 98,411 in 2017 and 73,782 in 2016 984 738
Additional paid-in capital 714,869 566,913
Accumulated other comprehensive loss (243) (12)
Accumulated deficit (631,843) (566,061)
Total stockholders’ equity 83,767 1,578
Total liabilities and stockholders’ equity $ 178,259 $ 89,847