| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | |
|---|---|---|---|---|---|---|
Assets | ||||||
Current assets: | ||||||
Cash and cash equivalents | ||||||
27,552 | 39,181 | 112,277 | 118,247 | 15,509 | 24,990 | |
Short-term investments | ||||||
70,067 | 51,508 | - | - | - | 0 | |
Accounts receivable, net | ||||||
8,670 | 8,601 | 6,932 | 5,417 | 4,096 | 6,382 | |
Inventories | ||||||
12,101 | 10,322 | 9,275 | 8,963 | 8,056 | 5,744 | |
Prepaid expenses and other current assets | ||||||
1,894 | 2,878 | 3,503 | 3,249 | 1,391 | 1,408 | |
Total current assets | ||||||
120,284 | 112,490 | 131,987 | 135,876 | 29,052 | 38,524 | |
Long-term investments | ||||||
0 | 18,224 | - | - | - | 0 | |
Property and equipment, net | ||||||
2,707 | 2,734 | 2,697 | 2,743 | 2,846 | 2,880 | |
Restricted cash | ||||||
310 | 310 | 310 | 310 | 310 | 310 | |
Other non-current assets | ||||||
3,444 | 3,644 | 3,575 | 3,723 | 6,460 | 1,029 | |
Total assets | ||||||
126,745 | 137,402 | 138,569 | 142,652 | 38,668 | 42,743 | |
Liabilities and stockholders' equity | ||||||
Current liabilities: | ||||||
Accounts payable | ||||||
3,194 | 1,898 | 1,965 | 1,189 | 3,134 | 1,252 | |
Accrued liabilities | ||||||
11,125 | 15,034 | 10,476 | 8,299 | 7,658 | 9,448 | |
Total current liabilities | ||||||
14,319 | 16,932 | 12,441 | 9,488 | 10,792 | 10,700 | |
Long-term debt | ||||||
44,972 | 44,879 | 44,785 | 44,690 | 44,597 | 44,201 | |
Redeemable convertible preferred stock warrant liability | ||||||
- | - | 0 | 0 | 31,803 | 16,091 | |
Other liabilities | ||||||
3,497 | 3,700 | 3,900 | 4,097 | 4,285 | 1,069 | |
Total liabilities | ||||||
62,788 | 65,511 | 61,126 | 58,275 | 91,477 | 72,061 | |
Redeemable convertible preferred stock issuable in series, $0.001 par value | ||||||
Liquidation preference: $121,144 at December 31, 2017 and 2018 | ||||||
- | - | 0 | 0 | 105,265 | 105,235 | |
Stockholders' equity: | ||||||
Preferred stock, $0.001 par value | ||||||
Shares issued and outstanding: none | ||||||
0 | 0 | 0 | 0 | - | 0 | |
Common stock, $0.001 par value | ||||||
Shares issued and outstanding: 31,395,637 and 31,255,267 at March 31, 2020 and December 31, 2019, respectively | ||||||
31 | 31 | 31 | 31 | 1 | 1 | |
Additional paid-in capital | ||||||
264,951 | 263,384 | 260,647 | 259,574 | 5,194 | 4,557 | |
Accumulated other comprehensive income | ||||||
442 | 2 | - | - | - | 0 | |
Accumulated deficit | ||||||
-201,467 | -191,526 | -183,235 | -175,228 | -163,269 | -139,111 | |
Total stockholders' equity | ||||||
63,957 | 71,891 | 77,443 | 84,377 | -158,074 | -134,553 | |
Total liabilities and stockholders' equity | ||||||
126,745 | 137,402 | 138,569 | 142,652 | 38,668 | 42,743 | |