| Dec'18 | Dec'17 | Dec'16 | Dec'15 | |||
|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||
Net loss | ||||||
-9,772 | -5,417 | -445 | - | |||
Net loss | ||||||
- | - | - | -9,955 | |||
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: | ||||||
Depreciation and amortization | ||||||
5,822 | 4,720 | 2,740 | 1,856 | |||
Stock-based compensation expense | ||||||
6,520 | 1,673 | 939 | 792 | |||
Accretion of investment premium, net of amortization of discount | ||||||
244 | - | - | - | |||
(Gain) loss on disposal of property and equipment | ||||||
70 | - | -33 | - | |||
Change in fair value of convertible preferred stock warrant liability | ||||||
- | 990 | 544 | -1,591 | |||
Issuance of convertible preferred stock warrants | ||||||
- | - | - | 12,074 | |||
Amortization of debt discount and extinguishment cost | ||||||
- | 477 | 636 | 630 | |||
Non-cash interest expense related to debt costs | ||||||
- | 175 | 552 | 600 | |||
Changes in operating assets and liabilities: | ||||||
Accounts receivable | ||||||
1,915 | 3,517 | 4,443 | 5,206 | |||
Inventories | ||||||
-3,995 | 11,452 | -9,570 | 12,708 | |||
Prepaid expenses and other assets | ||||||
-3,319 | 4,110 | -1,617 | -1,290 | |||
Accounts payable | ||||||
-1,231 | 2,139 | 2,198 | 351 | |||
Accrued and other liabilities | ||||||
3,631 | 2,813 | 256 | 3,073 | |||
Deferred revenue | ||||||
- | - | -2,059 | - | |||
Net cash provided by (used in) operating activities | ||||||
10,055 | -11,509 | 12,138 | - | |||
Cash flows from investing activities | ||||||
Deferred revenue | ||||||
- | - | - | -2,718 | |||
Net cash provided by (used in) operating activities | ||||||
- | - | - | -11,512 | |||
Purchases of property and equipment | ||||||
4,599 | 5,585 | 6,308 | 4,200 | |||
Purchases of IP licenses | ||||||
- | - | 2,129 | - | |||
Proceeds from sales of PP&E | ||||||
70 | - | 6 | 26 | |||
Proceeds from sales of short-term investments | ||||||
2,000 | - | - | - | |||
Proceeds from maturities of short-term investments | ||||||
43,573 | 1,850 | - | - | |||
Purchases of short-term investments | ||||||
57,724 | 50,308 | - | - | |||
Net cash provided by (used in) investing activities | ||||||
-16,680 | -54,043 | -8,431 | - | |||
Cash flows from financing activities | ||||||
Net cash used in investing activities | ||||||
- | - | - | -4,174 | |||
Repayments on short and long-term borrowings | ||||||
- | 19,161 | 6,560 | - | |||
Repayments on line of credit | ||||||
- | 10,000 | 5,001 | 15,205 | |||
Debt issuance costs | ||||||
- | - | - | 215 | |||
Proceeds from line of credit | ||||||
- | 10,000 | - | 20,206 | |||
Proceeds from exercise of stock options and preferred stock warrants | ||||||
2,761 | 1,368 | 4,861 | - | |||
Proceeds from employee stock purchase plan | ||||||
2,972 | - | - | - | |||
Proceeds from issuance of convertible preferred stock | ||||||
- | - | - | 37,000 | |||
Convertible preferred stock issuance costs | ||||||
- | - | - | 30 | |||
Proceeds from exercise of stock options and warrants | ||||||
- | - | - | 1,371 | |||
Purchases of IP licenses | ||||||
26 | 260 | - | - | |||
Proceeds from initial public offering | ||||||
- | 65,627 | - | - | |||
Payment of costs related to initial public offering | ||||||
438 | 2,875 | 2,404 | 207 | |||
Net cash provided by financing activities | ||||||
5,269 | 44,699 | -9,104 | - | |||
Net decrease in cash and cash equivalents | ||||||
-1,356 | -20,853 | -5,397 | - | |||
Net cash used in financing activities | ||||||
- | - | - | 42,920 | |||
Net decrease in cash and cash equivalents | ||||||
- | - | - | 27,234 | |||
Supplemental disclosures of cash flow information | ||||||
Cash paid for interest | ||||||
25 | 1,153 | 1,972 | - | |||
Cash paid for income taxes | ||||||
285 | 232 | 333 | - | |||
Cash paid for interest | ||||||
- | - | - | 2,041 | |||
Cash paid for income taxes | ||||||
- | - | - | 92 | |||
Reclassification of fair value of warrants to equity from liabilities upon warrant exercise and IPO | ||||||
- | 13,875 | - | - | |||
Unpaid costs related to initial public offering | ||||||
- | 254 | 340 | 132 | |||
Property and equipment received and accrued | ||||||
86 | 419 | 240 | 205 | |||
IP licenses accrued | ||||||
- | - | 3,286 | - | |||
Issuance of convertible preferred stock warrants | ||||||
- | - | - | 12,074 | |||
Transfer of deferred IPO cost to equity upon IPO | ||||||
- | 5,740 | - | - | |||