| Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 |
|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities | |||||||||
Net loss | |||||||||
-38,519 | -21,471 | -9,772 | 0 | 0 | 0 | - | - | - | - |
Net loss | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: | |||||||||
Depreciation and amortization | |||||||||
6,246 | 6,053 | 5,822 | 5,569 | 5,269 | 5,072 | 4,720 | 0 | 0 | 0 |
Stock-based compensation expense | |||||||||
9,559 | 7,832 | 6,520 | 4,979 | 3,264 | 2,409 | 1,673 | 0 | 0 | 0 |
Accretion of investment premium, net of amortization of discount | |||||||||
0 | 0 | - | - | - | - | - | - | - | - |
Change in fair value of convertible preferred stock warrant liability | |||||||||
- | - | - | - | - | - | 990 | 0 | 0 | 0 |
Amortization of debt discount and extinguishment cost | |||||||||
- | - | - | - | - | - | 477 | 0 | 0 | 0 |
Non-cash interest expense related to debt costs | |||||||||
- | - | - | - | - | - | 175 | 0 | 0 | 0 |
Changes in operating assets and liabilities: | |||||||||
Accounts receivable | |||||||||
-8,474 | -67 | 1,915 | 3,392 | 1,959 | -3,304 | 3,517 | 0 | 0 | 0 |
Inventories | |||||||||
3,919 | 859 | -3,995 | -668 | 7,152 | 8,560 | 11,452 | 0 | 0 | 0 |
Operating lease assets, net | |||||||||
0 | 0 | - | - | - | - | - | - | - | - |
Prepaid expenses and other assets | |||||||||
-1,339 | -1,584 | -3,319 | -1,119 | -1,457 | 1,319 | 4,110 | 0 | 0 | 0 |
Accounts payable | |||||||||
2,420 | -1,908 | -1,231 | 687 | 2,302 | 1,509 | 2,139 | 0 | 0 | 0 |
Accrued and other liabilities | |||||||||
3,607 | 6,364 | 3,631 | 3,399 | 3,155 | 3,189 | 2,813 | 0 | 0 | 0 |
Operating lease liabilities | |||||||||
0 | 0 | - | - | - | - | - | - | - | - |
Net cash provided by (used in) operating activities | |||||||||
-11,173 | -2,734 | 10,055 | 0 | 0 | 0 | - | - | - | - |
Cash flows from investing activities | |||||||||
Net cash provided by (used in) operating activities | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Purchases of property and equipment | |||||||||
6,658 | 4,544 | 4,599 | 7,067 | 5,693 | 5,411 | 5,585 | 0 | 0 | 0 |
Proceeds from sales of short-term investments | |||||||||
0 | 0 | - | - | - | - | - | - | - | - |
Proceeds from maturities of short-term investments | |||||||||
49,105 | 52,173 | 43,573 | 0 | 0 | 0 | - | - | - | - |
Purchases of short-term investments | |||||||||
48,473 | 50,054 | 57,724 | 0 | 0 | 0 | - | - | - | - |
Net cash provided by (used in) investing activities | |||||||||
-3,026 | 645 | -16,680 | 0 | 0 | 0 | - | - | - | - |
Cash flows from financing activities | |||||||||
Proceeds from exercise of stock options | |||||||||
- | 0 | - | - | - | - | - | - | - | - |
Net cash used in investing activities | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Repayments on short and long-term borrowings | |||||||||
- | - | - | - | - | - | 19,161 | 0 | 0 | 0 |
Proceeds from exercise of stock options and preferred stock warrants, net | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Purchases of IP licenses | |||||||||
- | - | 26 | 91 | 156 | 221 | 260 | 0 | 0 | 0 |
Payment of costs related to initial public offering | |||||||||
- | - | 438 | 2,094 | 2,524 | 3,083 | 2,875 | 0 | 0 | 0 |
Net cash provided by financing activities | |||||||||
5,622 | 5,963 | 5,269 | 0 | 0 | 0 | - | - | - | - |
Net decrease in cash and cash equivalents | |||||||||
-8,577 | 3,874 | -1,356 | 0 | 0 | 0 | - | - | - | - |
Net cash used in financing activities | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Net decrease in cash and cash equivalents | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Supplemental disclosures of cash flow information | |||||||||
Cash paid for interest | |||||||||
0 | 0 | - | - | - | - | - | - | - | - |
Cash paid for income taxes | |||||||||
0 | 0 | - | - | - | - | - | - | - | - |
Cash paid for amounts included in the lease liabilities | |||||||||
0 | 0 | - | - | - | - | - | - | - | - |
Cashless exercises of warrants, net of assumed proceeds from shares | |||||||||
- | - | - | 0 | 0 | 0 | - | - | - | - |
Unpaid costs related to initial public offering | |||||||||
- | - | - | - | - | - | 254 | 0 | 0 | 0 |
Property and equipment received and accrued | |||||||||
-598 | 2,551 | 86 | 16 | 1,237 | 657 | 419 | 0 | 0 | 0 |