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Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Assets    
Cash and cash equivalents $ 117,776 $ 22,104
Restricted cash 3,122 1,546
Investments 43,848 32,546
Receivables from collaborations 8,985 8,768
Inventory 500
Prepaid expenses and other current assets 1,421 1,438
Deferred collaboration expense 218 85
Total current assets 175,370 66,987
Investments 4,539 8,926
Property and equipment, net 9,613 9,922
Deferred collaboration expense 15 199
Other assets 1,955 3,813
Total assets 191,492 89,847
Liabilities and Stockholders’ Equity    
Accounts payable 4,603 4,269
Accrued expenses 11,871 10,836
Interest payable 10,705 8,990
Deferred collaboration revenue 8,686 2,022
Lease financing obligation 73
Senior credit facility 4,727
Non-recourse notes payable 28,572 28,243
Total current liabilities 69,237 54,360
Deferred collaboration revenue 296 8,184
Deferred rent 178 244
Lease Financing Obligation, Net of Current 2,770 2,704
Long-term Line of Credit 18,379 22,777
Stockholders’ equity:    
Preferred stock, $0.001 par value; shares authorized — 5,000; no shares issued and outstanding 0 0
Common stock, $0.01 par value: shares authorized — 200,000; shares issued and outstanding — 98,389 in 2017 and 73,782 in 2016 984 738
Additional paid-in capital 711,965 566,913
Accumulated other comprehensive loss (17) (12)
Accumulated deficit (612,300) (566,061)
Total stockholders’ equity 100,632 1,578
Total liabilities and stockholders’ equity $ 191,492 $ 89,847