| Dec'19 | Dec'18 | Dec'17 | ||||
|---|---|---|---|---|---|---|
Revenue: | ||||||
Product revenue | ||||||
42,927 | 12,263 | 1,719 | ||||
Cost of revenue: | ||||||
Cost of product revenue | ||||||
17,159 | 7,250 | 2,836 | ||||
Operating expenses: | ||||||
Research and development | ||||||
32,853 | 22,698 | 17,963 | ||||
Sales and marketing | ||||||
30,620 | 17,536 | 6,363 | ||||
General and administrative | ||||||
14,134 | 5,979 | 5,422 | ||||
Total operating expenses | ||||||
94,766 | 53,463 | 32,584 | ||||
Loss from operations | ||||||
-51,839 | -41,200 | -30,865 | ||||
Interest expense | ||||||
944 | 401 | 58 | ||||
Change in fair value of warrant liability | ||||||
609 | 52 | 32 | ||||
Other income, net | ||||||
2,345 | 589 | 366 | ||||
Net loss before taxes | ||||||
-51,047 | -41,064 | -30,589 | ||||
Income tax provision | ||||||
62 | 38 | 26 | ||||
Net loss | ||||||
-51,109 | -41,102 | -30,615 | ||||
Unrealized gain on available-for-sale securities | ||||||
35 | 1 | -1 | ||||
Total comprehensive loss | ||||||
-51,074 | -41,101 | -30,616 | ||||
Net loss per share, basic and diluted | ||||||
-2.14 | -23.39 | -19.71 | ||||
Shares used in computing net loss per share, basic and diluted | ||||||
23,904 | 1,757 | 1,553 | ||||