XML 16 R2.htm IDEA: XBRL DOCUMENT v3.4.0.3
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 151,952 $ 196,172
Marketable securities 152,496 142,877
Accounts receivable 2,512 1,224
Prepaid expenses 1,703 1,806
Other current assets 603 305
Total current assets 309,266 342,384
Property and equipment, net 14,347 14,841
Other assets 2,044 2,044
Total assets 325,657 359,269
Current liabilities:    
Accounts payable 1,118 2,967
Accrued expenses 9,687 11,708
Deferred revenue 4,919 5,866
Lease exit liability 2,083 2,020
Other liabilities 0 727
Total current liabilities 17,807 23,288
Deferred revenue, net of current portion 11,685 12,631
Lease exit liability, net of current portion 2,142 2,693
Deferred rent liability 7,041 7,320
Other Liabilities, Noncurrent 727 0
Total liabilities 39,402 45,932
Stockholders' equity:    
Common stock, $0.01 par value - 125,000,000 shares authorized, 34,536,621 and 34,345,754 shares outstanding at March 31, 2016 and December 31, 2015, respectively 345 343
Additional paid-in capital 550,407 547,185
Accumulated deficit (264,549) (234,186)
Accumulated other comprehensive loss 52 (5)
Total stockholders' equity 286,255 313,337
Total liabilities and stockholders' equity $ 325,657 $ 359,269