| Dec'19 | Dec'18 | |||||
|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||
Net loss | ||||||
-52,415 | -37,630 | |||||
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Depreciation and amortization expense | ||||||
712 | 517 | |||||
Stock-based compensation expense | ||||||
2,977 | 911 | |||||
Change in fair value of redeemable convertible preferred stock warrant liability | ||||||
21,030 | 11,906 | |||||
Amortization of premium on investments | ||||||
309 | 0 | |||||
Amortization of debt discount and debt issuance costs | ||||||
46 | 68 | |||||
Amortization of right-of-use asset | ||||||
582 | - | |||||
Non-cash interest expense | ||||||
672 | 1,555 | |||||
Loss on disposal of property and equipment | ||||||
0 | -159 | |||||
Change in provision for doubtful accounts receivable | ||||||
23 | -123 | |||||
Provision for excess and obsolete inventories | ||||||
118 | 23 | |||||
Changes in assets and liabilities | ||||||
Accounts receivable | ||||||
2,241 | 446 | |||||
Inventories | ||||||
4,696 | 2,565 | |||||
Prepaid expenses and other current assets | ||||||
1,471 | 1,128 | |||||
Other assets | ||||||
-552 | 62 | |||||
Accounts payable | ||||||
615 | -309 | |||||
Accrued liabilities | ||||||
4,964 | 5,023 | |||||
Other liabilities | ||||||
-769 | 406 | |||||
Net cash used in operating activities | ||||||
-29,610 | -21,695 | |||||
Cash flows from investing activities | ||||||
Purchases of property and equipment | ||||||
535 | 2,276 | |||||
Proceeds from sale of property and equipment | ||||||
0 | 6 | |||||
Purchases of investments | ||||||
69,421 | 0 | |||||
Net cash used in investing activities | ||||||
-69,956 | -2,270 | |||||
Cash flows from financing activities | ||||||
Non-controlling interest | ||||||
0 | 1 | |||||
Proceeds from initial public offering, net of underwriting discount, commissions and offering costs paid | ||||||
109,352 | -233 | |||||
Proceeds from long-term debt | ||||||
0 | 15,000 | |||||
Proceeds from issuance of common stock | ||||||
2,590 | 656 | |||||
Net cash provided by (used in) financing activities | ||||||
113,757 | 15,424 | |||||
Net change in cash, cash equivalents and restricted cash | ||||||
14,191 | -8,541 | |||||
Supplemental disclosure of cash flow information | ||||||
Cash paid for interest | ||||||
4,234 | 2,738 | |||||
Non-cash investing and financing activities: | ||||||
Accounts payable and accrued liabilities for purchases of property and equipment | ||||||
32 | 6 | |||||
Landlord paid tenant improvements | ||||||
0 | 794 | |||||
Offering costs in accounts payable and accrued liabilities | ||||||
0 | 717 | |||||
Right-of-use asset obtained in exchange for lease obligation | ||||||
3,982 | - | |||||
Net exercise of redeemable convertible preferred stock warrants to preferred stock | ||||||
37,121 | 0 | |||||
Conversion of redeemable convertible preferred stock to common stock upon initial public offering | ||||||
144,140 | 0 | |||||
Redeemable Convertible Preferred Stock | ||||||
Proceeds from exercise of redeemable convertible preferred stock warrants | ||||||
1,784 | 0 | |||||
Common stock warrants outstanding | ||||||
Proceeds from exercise of warrants | ||||||
31 | 0 | |||||