| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Revenue: | ||||||
Total revenue | ||||||
19,203 | 21,503 | 14,759 | - | - | - | |
Product and product-related services | ||||||
- | - | - | 5,132 | 3,532 | 1,788 | |
Collaborative development services | ||||||
- | - | - | - | 183 | 497 | |
Other | ||||||
- | - | - | - | 325 | 1,043 | |
Total revenue | ||||||
- | - | - | 5,132 | 4,041 | 3,328 | |
Cost of revenue | ||||||
- | - | - | 4,135 | 3,335 | 3,204 | |
Gross margin | ||||||
- | - | - | 996 | 706 | 124 | |
Operating expenses: | ||||||
Cost of product and product-related services revenue | ||||||
8,911 | 5,090 | 4,971 | - | - | - | |
Selling, general and administrative | ||||||
18,682 | 19,974 | 17,513 | 17,427 | 14,994 | 9,897 | |
Research and development | ||||||
10,570 | 12,598 | 9,996 | 7,900 | 4,601 | 3,075 | |
Total operating expenses | ||||||
38,163 | 37,663 | 32,482 | - | - | - | |
Total operating expenses | ||||||
- | - | - | 25,328 | 19,596 | 12,972 | |
Operating loss | ||||||
-18,960 | -16,159 | -17,722 | -24,331 | -18,890 | -12,848 | |
Other income (expense): | ||||||
Loss from change in stock warrant valuation | ||||||
- | - | - | - | 239 | 388 | |
Interest expense | ||||||
957 | 901 | 1,307 | 1,867 | 1,719 | 706 | |
Interest income | ||||||
623 | 715 | 73 | 112 | 85 | - | |
Loss on extinguishment of Growth Term Loan | ||||||
- | -105 | - | - | -705 | - | |
Other income | ||||||
- | - | - | 56 | 80 | -13 | |
Total other expense | ||||||
-334 | -291 | -1,234 | -1,698 | -2,497 | -1,109 | |
Net loss before income taxes | ||||||
-19,294 | -16,450 | -18,957 | -26,029 | -21,387 | -13,958 | |
Provision for income taxes | ||||||
3 | 3 | 2 | 10 | 10 | - | |
Net loss | ||||||
-19,297 | -16,453 | -18,960 | -26,039 | -21,397 | -13,958 | |
Accretion of stock issuance costs | ||||||
- | - | - | - | 35 | 102 | |
Accretion of Series E warrant discount | ||||||
- | - | - | - | 127 | 313 | |
Accretion of Series D and E redeemable convertible preferred stock dividends | ||||||
- | - | - | - | 1,165 | 3,244 | |
Net loss attributable to common stockholders | ||||||
- | - | - | - | -22,726 | -17,618 | |
Net loss per share, basic and diluted | ||||||
-0.51 | -0.60 | -1.79 | -3.66 | -5.03 | -175.03 | |
Shares used in computing net loss per share, basic and diluted | ||||||
38,099 | 27,523 | 10,597 | 7,113 | 4,518 | 100 | |
Product and Product-related Services | ||||||
Total revenue | ||||||
14,632 | 9,121 | 6,797 | - | - | - | |
Collaborative Development Services | ||||||
Total revenue | ||||||
4,571 | 12,382 | 7,962 | - | - | - | |