XML 15 R2.htm IDEA: XBRL DOCUMENT v3.19.2
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Current assets:    
Cash and cash equivalents $ 180,316 $ 220,128
Marketable securities 91,820 12,735
Accounts receivable 5,613 29,583
Prepaid expenses 9,616 6,406
Other current assets 232 272
Total current assets 287,597 269,124
Property, equipment and software, net 52,295 56,712
Other assets 43,785 6,294
Total assets 383,677 332,130
Current liabilities:    
Accounts payable 857 4,005
Accrued expenses 30,410 33,021
Deferred revenue 14,449 21,721
Deferred rent 0 1,018
Lease liabilities 3,644 0
Other current liabilities 175 175
Total current liabilities 49,535 59,940
Deferred revenue, net of current portion 15,413 19,001
Lease liabilities, net of current portion 24,278 0
Deferred rent, net of current portion 0 10,312
Total liabilities 89,226 89,253
Stockholders' equity:    
Common stock, $0.01 par value -- 125,000,000 shares authorized, 48,893,451 and 42,353,301 shares outstanding at June 30, 2019 and December 31, 2018, respectively 489 424
Additional paid-in capital 860,983 732,727
Accumulated other comprehensive income (loss) 34 (3)
Accumulated deficit (567,055) (490,271)
Total stockholders' equity 294,451 242,877
Total liabilities and stockholders' equity $ 383,677 $ 332,130