| Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 | Dec'16 | Sep'16 | Dec'15 |
|---|---|---|---|---|---|---|---|---|---|
Assets | |||||||||
Current assets | |||||||||
Cash and cash equivalents | |||||||||
177,677 | 174,994 | 190,066 | 55,069 | 29,279 | 39,834 | 37,904 | 42,007 | 111,712 | 17,256 |
Short-term investments | |||||||||
77,495 | 74,390 | 55,394 | 93,901 | 106,249 | 84,275 | 73,329 | 36,741 | 10,818 | 6,260 |
Accounts receivable, net of allowance for doubtful accounts of $839 and $413 | |||||||||
66,485 | 59,136 | 56,022 | 68,782 | 46,136 | 50,763 | 38,573 | 58,587 | 42,585 | 52,887 |
Deferred costs | |||||||||
14,252 | 13,705 | 14,906 | 11,898 | - | - | - | - | - | - |
Prepaid expenses and other current assets | |||||||||
5,078 | 4,824 | 4,786 | 5,079 | 5,530 | 5,776 | 5,587 | 5,440 | 5,249 | 3,990 |
Total current assets | |||||||||
340,987 | 327,049 | 321,174 | 234,729 | 187,194 | 180,648 | 155,393 | 142,775 | 170,364 | 80,393 |
Long-term assets | |||||||||
Property and equipment, net of accumulated depreciation and amortization of $25,394 and $21,924 | |||||||||
10,592 | 9,352 | 9,876 | 10,437 | 11,168 | 12,300 | 12,899 | 12,827 | 13,058 | 13,487 |
Long-term investments | |||||||||
2,837 | 5,493 | 7,979 | - | - | - | 16,455 | 38,446 | - | 0 |
Deferred costs, net of current portion | |||||||||
18,779 | 18,155 | 15,792 | 17,182 | - | - | - | - | - | - |
Acquisition-related intangible assets, net | |||||||||
18,112 | 19,008 | 19,517 | - | - | - | - | - | - | - |
Goodwill | |||||||||
31,004 | 31,004 | 30,572 | - | - | - | - | - | - | - |
Restricted cash | |||||||||
- | - | - | - | - | - | - | - | - | 2,500 |
Deferred initial public offering costs | |||||||||
- | - | - | - | - | - | - | - | - | 1,973 |
Other long-term assets | |||||||||
951 | 989 | 1,036 | 983 | 944 | 971 | 730 | 734 | 616 | 798 |
Total assets | |||||||||
423,262 | 411,050 | 405,946 | 263,331 | 199,306 | 193,919 | 185,477 | 194,782 | 184,038 | 99,151 |
Liabilities and Stockholders Equity | |||||||||
Current liabilities | |||||||||
Accounts payable | |||||||||
8,492 | 6,753 | 8,100 | 5,598 | 3,995 | 4,550 | 5,094 | 3,574 | 6,375 | 3,462 |
Accrued payroll and other expenses | |||||||||
19,816 | 16,484 | 21,450 | 16,481 | 14,568 | 14,015 | 13,412 | 14,073 | 12,456 | 14,732 |
Deferred revenue | |||||||||
118,242 | 118,346 | 116,610 | 116,831 | 96,609 | 93,450 | 90,620 | 97,885 | 81,415 | 82,422 |
Deferred rent | |||||||||
1,000 | 940 | 919 | 892 | 868 | 843 | 819 | 799 | 784 | 613 |
Capital leases | |||||||||
25 | 25 | 24 | 21 | 27 | 32 | 39 | 43 | 42 | 42 |
Total current liabilities | |||||||||
147,575 | 142,548 | 147,103 | 139,823 | 116,067 | 112,890 | 109,984 | 116,374 | 101,072 | 101,271 |
Long-term liabilities | |||||||||
Convertible senior notes, net | |||||||||
109,772 | 108,153 | 106,574 | - | - | - | - | - | - | - |
Deferred revenue, net of current portion | |||||||||
5,919 | 6,022 | 6,834 | 2,470 | 3,602 | 3,868 | 1,949 | 2,254 | 2,346 | 803 |
Deferred rent, net of current portion | |||||||||
2,996 | 2,987 | 3,237 | 3,483 | 3,709 | 3,927 | 4,142 | 4,360 | 4,540 | 4,810 |
Capital leases, net of current portion | |||||||||
103 | 110 | 117 | 26 | 31 | 36 | 44 | 51 | 62 | 95 |
Preferred stock warrant liability | |||||||||
- | - | - | - | - | - | - | - | - | 414 |
Asset retirement obligation | |||||||||
222 | 198 | 205 | 199 | 194 | 187 | 177 | 175 | 184 | 210 |
Total liabilities | |||||||||
266,587 | 260,018 | 264,070 | 146,001 | 123,603 | 120,908 | 116,296 | 123,214 | 108,204 | 107,603 |
Commitments and contingencies (Note 14) | |||||||||
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Convertible preferred stock | |||||||||
- | - | - | - | - | - | - | - | - | 133,809 |
Stockholders equity | |||||||||
Class A and Class B Common stock | |||||||||
5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 1 |
Additional paid-in capital | |||||||||
371,491 | 361,277 | 346,888 | 314,301 | 294,848 | 287,038 | 276,165 | 271,982 | 268,240 | 26,509 |
Accumulated other comprehensive income (loss) | |||||||||
10 | 11 | -53 | -110 | -94 | -147 | -117 | -94 | -3 | - |
Accumulated deficit | |||||||||
-214,831 | -210,261 | -204,964 | -196,865 | -219,055 | -213,884 | -206,871 | -200,324 | -192,407 | -168,771 |
Total stockholders equity | |||||||||
156,675 | 151,032 | 141,876 | 117,330 | 75,703 | 73,011 | 69,181 | 71,568 | 75,834 | -142,261 |
Total liabilities and stockholders' equity | |||||||||
423,262 | 411,050 | 405,946 | 263,331 | 199,306 | 193,919 | 185,477 | 194,782 | 184,038 | 99,151 |