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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
ASSETS    
Cash and cash equivalents $ 22,104 $ 28,899
Restricted cash 1,546 1,612
Investments 32,546 22,664
Receivables from collaborations 8,768 6,243
Inventory 500 1,612
Prepaid expenses and other current assets 1,438 2,674
Deferred collaboration expense 85 90
Total current assets 66,987 63,794
Investments 8,926 47,683
Property and equipment, net 9,922 5,149
Deferred collaboration expense 199 265
Other assets 3,813 5,468
Total assets 89,847 122,359
LIABILITIES AND STOCKHOLDERS’ EQUITY    
Accounts payable 4,269 9,307
Accrued expenses 10,836 16,237
Interest payable 8,990 6,746
Deferred revenue 2,022 2,163
Non-recourse notes payable 28,243 27,804
Total current liabilities 54,360 62,257
Deferred collaboration revenue 8,184 9,674
Deferred rent 244 329
Lease financing obligation 2,704 2,375
Senior credit facility 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 — 73,782 in 2016 and 73,355 in 2015 738 734
Additional paid-in capital 566,913 558,113
Accumulated other comprehensive loss (12) (206)
Accumulated deficit (566,061) (510,917)
Total stockholders’ equity 1,578 47,724
Total liabilities and stockholders’ equity $ 89,847 $ 122,359