| Dec'19 | Dec'18 | Dec'17 | ||||
|---|---|---|---|---|---|---|
Revenues | ||||||
65,207 | 37,774 | 9,393 | ||||
Costs and expenses | ||||||
Costs of revenues | ||||||
43,127 | 25,969 | 11,736 | ||||
Research and development | ||||||
22,418 | 14,304 | 9,919 | ||||
Selling, general and administrative | ||||||
22,080 | 11,271 | 9,901 | ||||
Total costs and expenses | ||||||
87,625 | 51,544 | 31,556 | ||||
Loss from operations | ||||||
-22,418 | -13,770 | -22,163 | ||||
Interest income | ||||||
1,620 | 293 | 100 | ||||
Interest expense | ||||||
1,133 | 1,894 | 1,303 | ||||
Loss on debt extinguishment | ||||||
-1,704 | -4,658 | - | ||||
Other income (expense), net | ||||||
-1,440 | 150 | -227 | ||||
Loss before income taxes | ||||||
-25,075 | -19,879 | -23,593 | ||||
Provision for income taxes | ||||||
9 | 7 | 5 | ||||
Net loss | ||||||
-25,084 | -19,886 | -23,598 | ||||
Net loss per share, basic and diluted | ||||||
-1.39 | -6.49 | -7.78 | ||||
Weighted-average shares outstanding, basic and diluted | ||||||
18,011 | 3,063 | 3,031 | ||||