| 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 | ||||||||||||
87,147 | 82,050 | 71,703 | 63,895 | 56,801 | 50,593 | 43,991 | 38,208 | 33,312 | 28,567 | 0 | 0 | 0 |
Cost of goods sold | ||||||||||||
14,086 | 13,643 | 12,597 | 11,608 | 10,616 | 10,056 | 8,744 | 7,842 | 7,116 | 6,018 | 0 | 0 | 0 |
Gross profit | ||||||||||||
73,061 | 68,407 | 59,106 | 52,287 | 46,185 | 40,537 | 35,247 | 30,366 | 26,196 | 22,549 | 0 | 0 | 0 |
Operating expenses: | ||||||||||||
Selling and marketing | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
Research and development | ||||||||||||
15,674 | 12,839 | 11,224 | 9,372 | 8,261 | 7,388 | 6,918 | 6,323 | 6,331 | 6,194 | 0 | 0 | 0 |
Selling, general and administrative | ||||||||||||
99,947 | 90,465 | 78,383 | 69,414 | 61,884 | 53,527 | 67,222 | 54,621 | 42,684 | 32,358 | 0 | 0 | 0 |
Total operating expenses | ||||||||||||
115,621 | 103,304 | 89,607 | 78,786 | 70,145 | 60,915 | 54,574 | 48,693 | 43,270 | 38,552 | 0 | 0 | 0 |
Operating loss | ||||||||||||
-42,560 | -34,897 | -30,501 | -26,499 | -23,960 | -20,378 | -19,327 | -18,327 | -17,074 | -16,003 | 0 | 0 | 0 |
Other (income) expense: | ||||||||||||
Interest income | ||||||||||||
3,357 | 3,801 | 3,846 | 3,584 | 2,896 | 1,870 | 1,133 | 547 | 245 | 203 | 0 | 0 | 0 |
Interest expense | ||||||||||||
2,107 | 2,119 | 2,278 | 2,429 | 2,456 | 3,304 | 3,144 | 2,892 | 2,764 | 1,753 | 0 | 0 | 0 |
Other (income) expense, net | ||||||||||||
128 | 12 | -8 | -43 | -73 | -16 | 37 | 41 | 62 | 42 | 0 | 0 | 0 |
Total other income | ||||||||||||
1,378 | 1,694 | 1,560 | 1,112 | 367 | -1,450 | -1,943 | -2,271 | 0 | - | 0 | 0 | - |
Loss before income taxes | ||||||||||||
-41,182 | -33,203 | -28,941 | -25,387 | -23,593 | -21,828 | -21,301 | -20,631 | -19,531 | -17,511 | 0 | 0 | 0 |
Income taxes | ||||||||||||
40 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | 0 | - | - |
Net loss | ||||||||||||
-41,222 | -33,243 | -28,941 | -25,387 | -23,593 | -21,828 | -21,301 | -20,631 | -19,531 | -17,511 | 0 | 0 | 0 |
Other comprehensive loss: | ||||||||||||
Unrealized gain (loss) on investments | ||||||||||||
279 | 154 | 116 | 51 | 16 | -52 | -26 | 0 | 0 | - | 0 | - | - |
Total comprehensive loss | ||||||||||||
-40,943 | -33,089 | -28,825 | -25,336 | -23,577 | -21,880 | -21,327 | -20,631 | -19,531 | -17,511 | 0 | 0 | 0 |
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 |