| Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 |
|---|---|---|---|---|---|---|
Assets [Abstract] | ||||||
Current assets: | ||||||
Cash and cash equivalents | ||||||
58,855 | 72,880 | 67,868 | 69,099 | 178,497 | 33,686 | 36,073 |
Short-term investments | ||||||
89,256 | 80,399 | 92,770 | 94,666 | - | - | - |
Accounts receivable, net of allowances of $180 and $300, as of June 30, 2019 and December 31, 2018, respectively | ||||||
52,318 | 43,870 | 62,555 | 51,582 | 43,631 | 36,800 | 60,850 |
Prepaid expenses and other current assets | ||||||
9,302 | 9,397 | 8,751 | 8,967 | 8,488 | 7,857 | 6,040 |
Deferred commissions | ||||||
14,293 | 13,680 | 13,078 | 11,801 | 10,093 | 10,440 | 9,551 |
Total current assets | ||||||
224,024 | 220,226 | 245,022 | 236,115 | 240,709 | 88,783 | 112,514 |
Deferred commissions, net of current portion | ||||||
26,165 | 25,397 | 25,076 | 23,171 | 21,825 | 20,008 | 20,404 |
Property and equipment, net | ||||||
12,963 | 13,253 | 14,370 | 14,792 | 14,514 | 12,796 | 12,459 |
Operating lease right-of-use assets | ||||||
13,852 | 14,931 | - | - | - | - | - |
Intangible assets, net | ||||||
1,936 | 2,204 | 2,529 | 2,919 | 3,310 | 3,701 | 4,092 |
Goodwill | ||||||
119,656 | 119,656 | 119,656 | 119,656 | 119,656 | 119,656 | 119,656 |
Deferred tax asset | ||||||
483 | 483 | 483 | - | - | - | - |
Other-long term assets | ||||||
558 | 560 | 601 | 531 | 395 | 3,649 | 2,436 |
Total assets | ||||||
399,637 | 396,710 | 407,737 | 397,184 | 400,409 | 248,593 | 271,561 |
Liabilities and Equity [Abstract] | ||||||
Current liabilities: | ||||||
Accounts payable | ||||||
4,967 | 4,846 | 4,663 | 3,502 | 4,228 | 2,858 | 2,481 |
Accrued expenses | ||||||
15,927 | 13,901 | 20,669 | 19,596 | 16,073 | 16,542 | 18,846 |
Deferred revenue | ||||||
149,294 | 146,912 | 152,522 | 138,515 | 129,927 | 123,746 | 130,165 |
Deferred rent | ||||||
- | - | 1,216 | 1,176 | 1,147 | 1,041 | 944 |
Operating lease short-term liability | ||||||
5,316 | 5,339 | - | - | - | - | - |
Total current liabilities | ||||||
175,504 | 170,998 | 179,070 | 162,789 | 151,375 | 144,187 | 152,436 |
Deferred revenue, net of current portion | ||||||
35,787 | 36,296 | 40,371 | 38,316 | 39,344 | 38,250 | 38,535 |
Warrant liability | ||||||
- | - | - | - | - | 5,647 | 2,766 |
Deferred rent, net of current portion | ||||||
- | - | 2,651 | 2,774 | 2,934 | 2,935 | 3,114 |
Operating lease long-term liability | ||||||
12,039 | 13,344 | - | - | - | - | - |
Deferred tax liability | ||||||
49 | 49 | 49 | 37 | 37 | 37 | 33 |
Other long-term liabilities | ||||||
24 | 28 | 42 | 42 | 42 | 42 | 42 |
Total liabilities | ||||||
223,403 | 220,715 | 222,183 | 203,958 | 193,732 | 191,098 | 196,926 |
Commitments and contingencies (Note 10) | ||||||
- | - | - | 0 | 0 | - | - |
Convertible preferred stock | ||||||
- | - | - | - | - | 374,842 | - |
Stockholders' equity: | ||||||
Common stock, $0.001 par, 500,000,000 shares authorized: 73,392,066 and 69,738,599 shares issued, and 73,336,662 and 69,683,195 shares outstanding, as of June 30, 2019 and December 31, 2018, respectively. | ||||||
73 | 71 | 70 | 68 | 68 | 11 | 11 |
Treasury stock, at cost, 55,404 shares as of June 30, 2019 and December 31, 2018, respectively | ||||||
6 | 6 | 6 | 6 | 6 | 6 | 6 |
Additional paid-in capital | ||||||
747,928 | 733,129 | 723,051 | 712,156 | 707,945 | - | 13,429 |
Accumulated other comprehensive income (loss) | ||||||
57 | - | -49 | -30 | - | - | - |
Accumulated deficit | ||||||
-571,818 | -557,199 | -537,512 | -518,962 | -501,330 | -317,352 | -273,513 |
Total stockholders' equity | ||||||
176,234 | 175,995 | 185,554 | 193,226 | 206,677 | -317,347 | -260,079 |
Total liabilities and stockholders' equity | ||||||
399,637 | 396,710 | 407,737 | 397,184 | 400,409 | 248,593 | 271,561 |
Redeemable convertible preferred stock | ||||||
Convertible preferred stock | ||||||
- | - | - | - | - | - | 333,204 |
Series A convertible preferred stock | ||||||
Convertible preferred stock | ||||||
- | - | - | - | - | - | 1,510 |