| Dec'19 | Dec'18 | |||||
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net loss | ||||||
-33,547 | -23,756 | |||||
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Depreciation and amortization expense | ||||||
1,222 | 769 | |||||
Stock-based compensation expense | ||||||
854 | 144 | |||||
Change in fair value of preferred stock warrant liability | ||||||
341 | 545 | |||||
Non-cash interest expense and end of term accretion expense | ||||||
475 | 177 | |||||
Net amortization of premiums on marketable securities | ||||||
-205 | 9 | |||||
Loss on extinguishment of debt | ||||||
- | -305 | |||||
Unrealized foreign currency transaction losses | ||||||
-200 | -150 | |||||
Changes in operating assets and liabilities: | ||||||
Accounts receivable | ||||||
3,166 | 2,513 | |||||
Inventory | ||||||
4,121 | 2,699 | |||||
Prepaid expenses and other current assets | ||||||
-250 | 1,355 | |||||
Accounts payable | ||||||
3,443 | 164 | |||||
Accrued expenses and other current liabilities | ||||||
2,453 | 2,338 | |||||
Deferred revenue | ||||||
-136 | 67 | |||||
Deferred rent | ||||||
349 | 329 | |||||
Net cash used in operating activities | ||||||
-32,286 | -25,984 | |||||
Cash flows from investing activities: | ||||||
Purchases of property and equipment | ||||||
165 | 418 | |||||
Purchases of marketable securities | ||||||
82,371 | - | |||||
Proceeds from sales and maturities of marketable securities | ||||||
22,035 | 12,725 | |||||
Net cash provided by (used in) investing activities | ||||||
-60,501 | 12,307 | |||||
Cash flows from financing activities: | ||||||
Proceeds from issuance of long-term debt, net of issuance costs | ||||||
- | 33,436 | |||||
Repayments of long-term debt | ||||||
- | 9,076 | |||||
Proceeds from issuance of common stock in initial public offering, net of underwriting discounts and commissions | ||||||
97,367 | - | |||||
Payments of initial public offering and other financing costs | ||||||
4,846 | 2,342 | |||||
Proceeds from issuance of common stock upon exercise of stock options | ||||||
202 | 46 | |||||
Net cash provided by (used in) financing activities | ||||||
92,723 | 22,064 | |||||
Effect of exchange rate changes on cash, cash equivalents and restricted cash | ||||||
-85 | -82 | |||||
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||
-149 | 8,305 | |||||
Supplemental disclosure of cash flow information: | ||||||
Cash paid for interest | ||||||
3,877 | 2,401 | |||||
Supplemental disclosure of non-cash investing and financing activities: | ||||||
Conversion of convertible preferred stock to common stock upon initial public offering | ||||||
186,519 | - | |||||
Transfers of inventory to property and equipment | ||||||
2,146 | 1,393 | |||||
Reclassification of warrant liability to equity upon initial public offering | ||||||
1,239 | - | |||||
Purchases of property and equipment included in accounts payable | ||||||
169 | - | |||||
Offering costs included in accounts payable and accrued expenses | ||||||
120 | 1,041 | |||||
Settlement of accrued financing fee | ||||||
124 | - | |||||