| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Revenue | ||||||||||||
21,347 | 26,906 | 20,862 | 18,032 | 16,250 | 16,559 | 13,054 | 10,938 | 10,042 | 9,957 | 7,271 | 6,042 | 5,297 |
Cost of goods sold | ||||||||||||
3,297 | 4,239 | 3,456 | 3,094 | 2,854 | 3,193 | 2,467 | 2,102 | 2,294 | 1,881 | 1,565 | 1,376 | 1,196 |
Gross profit | ||||||||||||
18,050 | 22,667 | 17,406 | 14,938 | 13,396 | 13,366 | 10,587 | 8,836 | 7,748 | 8,076 | 5,706 | 4,666 | 4,101 |
Operating expenses: | ||||||||||||
Selling and marketing | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 7,315 | 6,506 | 5,745 |
Research and development | ||||||||||||
5,438 | 3,767 | 3,623 | 2,846 | 2,603 | 2,152 | 1,771 | 1,735 | 1,730 | 1,682 | 1,176 | 1,743 | 1,593 |
Selling, general and administrative | ||||||||||||
29,052 | 28,193 | 22,434 | 20,268 | 19,570 | 16,111 | 13,465 | 12,738 | 11,213 | 29,806 | 864 | 801 | 887 |
Total operating expenses | ||||||||||||
34,490 | 31,960 | 26,057 | 23,114 | 22,173 | 18,263 | 15,236 | 14,473 | 12,943 | 11,922 | 9,355 | 9,050 | 8,225 |
Operating loss | ||||||||||||
-16,440 | -9,293 | -8,651 | -8,176 | -8,777 | -4,897 | -4,649 | -5,637 | -5,195 | -3,846 | -3,649 | -4,384 | -4,124 |
Other (income) expense: | ||||||||||||
Interest income | ||||||||||||
642 | 776 | 903 | 1,036 | 1,086 | 821 | 641 | 348 | 60 | 84 | 55 | 46 | 18 |
Interest expense | ||||||||||||
525 | 530 | 529 | 523 | 537 | 689 | 680 | 550 | 1,385 | 529 | 428 | 422 | 374 |
Other (income) expense, net | ||||||||||||
78 | 7 | 30 | 13 | -38 | -13 | -5 | -17 | 19 | 40 | -1 | 4 | -1 |
Total other income | ||||||||||||
195 | 253 | 404 | 526 | 511 | 119 | -44 | -219 | -1,306 | - | -374 | -372 | - |
Loss before income taxes | ||||||||||||
-16,245 | -9,040 | -8,247 | -7,650 | -8,266 | -4,778 | -4,693 | -5,856 | -6,501 | -4,251 | -4,023 | -4,756 | -4,481 |
Income taxes | ||||||||||||
0 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | 0 | - | - |
Net loss | ||||||||||||
-16,245 | -9,080 | -8,247 | -7,650 | -8,266 | -4,778 | -4,693 | -5,856 | -6,501 | -4,251 | -4,023 | -4,756 | -4,481 |
Other comprehensive loss: | ||||||||||||
Unrealized gain (loss) on investments | ||||||||||||
193 | 12 | 39 | 35 | 68 | -26 | -26 | 0 | 0 | - | 0 | - | - |
Total comprehensive loss | ||||||||||||
-16,052 | -9,068 | -8,208 | -7,615 | -8,198 | -4,804 | -4,719 | -5,856 | -6,501 | -4,251 | -4,023 | -4,756 | -4,481 |
Net loss per share, basic and diluted (in dollars per share) | ||||||||||||
-0.67 | -0.39 | -0.34 | -0.32 | -0.35 | 4.20 | -0.22 | -0.43 | -5.05 | -3.42 | -3.42 | -4.14 | -3.90 |
Weighted average common shares used to compute net loss per share, basic and diluted (in shares) | ||||||||||||
24,165 | 24,082 | 23,940 | 23,753 | 23,441 | 22,126 | 21,361 | 13,543 | 1,286 | 1,231 | 1,176 | 1,150 | 1,148 |