| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 |
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net loss | ||||||
-26,856 | -21,440 | -5,688 | -11,612 | -8,383 | - | - |
Net loss | ||||||
- | - | - | - | - | -8,934 | -8,153 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Stock-based compensation expense | ||||||
5,697 | 3,208 | 3,502 | 3,343 | 787 | 246 | 164 |
Depreciation and amortization | ||||||
3,200 | 2,379 | 1,400 | - | - | - | - |
Depreciation and amortization | ||||||
- | - | - | 987 | 1,453 | 1,780 | 1,071 |
Amortization of intangible assets | ||||||
7,153 | 3,871 | 1,222 | 1,235 | 1,236 | 1,236 | 3,320 |
Amortization of debt discount | ||||||
6,408 | 1,125 | 82 | 646 | 504 | 115 | 1,071 |
Deferred income taxes | ||||||
-372 | -184 | -1 | 1 | -26 | 14 | 13 |
Prepayment premium and related costs of early extinguishment of debt | ||||||
784 | - | - | - | - | - | - |
Gain on sale of equipment | ||||||
- | 18 | - | - | - | - | - |
Gain from settlement with former foundry supplier | ||||||
- | - | - | 1,962 | - | - | - |
Changes in fair value of earn-out liability | ||||||
320 | 2,569 | - | - | - | - | - |
Impairment and other losses | ||||||
1,694 | 2,680 | - | - | - | - | - |
Changes in fair value of preferred stock warrant liability | ||||||
- | - | - | - | -907 | 206 | 1,200 |
Changes in assets and liabilities: | ||||||
Accounts receivable | ||||||
17,281 | 11,331 | 2,557 | -425 | 4,542 | -2,894 | -3,161 |
Inventories | ||||||
1,388 | 7,111 | 632 | -2,186 | -85 | -2,922 | 5,199 |
Prepaid expenses and other current assets | ||||||
-238 | -1,539 | 478 | -1,761 | 1,004 | -760 | 170 |
Other non-current assets | ||||||
-260 | 11 | 270 | 1 | - | - | - |
Accounts payable | ||||||
7,070 | 5,174 | 2,521 | -3,584 | 1,866 | -1,236 | 6,512 |
Accrued compensation and benefits | ||||||
1,241 | 1,424 | 1,015 | 706 | -42 | -330 | 715 |
Accrued expenses and other current liabilities | ||||||
2,959 | -719 | 58 | 711 | 32 | 159 | -1,994 |
Price adjustments and other revenue reserves | ||||||
-1,179 | 4,819 | - | - | - | - | - |
Other non-current liabilities | ||||||
-1,181 | -58 | 75 | - | - | - | - |
Deferred rent | ||||||
- | -457 | -422 | 300 | - | - | - |
Net cash used in operating activities | ||||||
-11,851 | -17,679 | -189 | -4,858 | -7,127 | - | - |
Cash flows from investing activities: | ||||||
Net cash used in operating activities | ||||||
- | - | - | - | - | -580 | -689 |
Acquisition of property and equipment | ||||||
4,517 | 3,208 | 2,868 | 2,481 | 559 | 760 | 2,239 |
Maturities of short-term investments | ||||||
- | 1,274 | - | - | - | - | - |
Investment in unconsolidated affiliate | ||||||
457 | 566 | 334 | 181 | - | - | - |
Net cash used in investing activities | ||||||
-4,974 | -65,952 | -3,552 | -2,662 | -559 | - | - |
Cash flows from financing activities: | ||||||
Proceeds from public offering, net of underwriting discounts and commissions | ||||||
- | 42,659 | 18,363 | - | - | 34 | 6 |
Proceeds from public offering, net of underwriting discounts and commissions | ||||||
- | - | - | - | 22,101 | - | - |
Proceeds from exercise of stock options and employee stock purchase plan | ||||||
1,571 | 830 | 781 | 239 | 10 | - | - |
Change in restricted cash | ||||||
- | - | - | - | - | - | -4,000 |
Net cash used in investing activities | ||||||
- | - | - | - | - | -760 | 1,761 |
Tax withholdings related to net share settlement of restricted stock units | ||||||
582 | 424 | 308 | - | - | - | - |
Proceeds from revolving line of credit | ||||||
- | - | 30,598 | 7,415 | - | 2,660 | 5,980 |
Payments on revolving line of credit | ||||||
- | 1,500 | 30,905 | 5,608 | 4,273 | 4,462 | - |
Proceeds from term loan, net of fees | ||||||
- | 33,591 | 12,000 | - | - | - | - |
Effect of exchange rates on cash and equivalents | ||||||
- | - | - | - | -338 | - | - |
Proceeds from issuance of convertible preferred stock, net of issuance costs | ||||||
- | - | - | - | - | - | 12,365 |
Proceeds from issuance of convertible senior notes, net of issuance costs | ||||||
76,992 | - | - | - | - | - | 5,000 |
Proceeds from term loan, net of fees | ||||||
- | - | - | 17,825 | 14,903 | - | - |
Payments on term loan | ||||||
35,492 | 12,292 | 16,364 | 15,650 | 7,600 | - | - |
Purchase of capped calls | ||||||
6,150 | - | - | - | - | - | - |
Payment on earn-out liability | ||||||
7,219 | - | - | - | - | - | - |
Net cash provided by financing activities | ||||||
29,120 | 62,864 | 14,165 | 4,221 | 25,141 | - | - |
Effect of exchange rates on cash, cash equivalents and restricted cash | ||||||
339 | -223 | -65 | -71 | - | - | - |
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||
12,634 | -20,990 | 10,359 | -3,370 | - | - | - |
Proceeds from term loan, net of fees | ||||||
- | - | - | - | - | - | 8,910 |
Payments on term loan | ||||||
- | - | - | - | - | 2,461 | 21,730 |
Net cash provided by financing activities | ||||||
- | - | - | - | - | -4,229 | 10,531 |
Effect of exchange rates on cash and equivalents | ||||||
- | - | - | - | - | -39 | -23 |
Net decrease in cash and cash equivalents | ||||||
- | - | - | - | 17,117 | -5,608 | 11,580 |
Supplemental disclosures of other cash flow information: | ||||||
Cash paid for interest expense | ||||||
2,882 | 2,800 | 695 | 688 | 521 | - | - |
Cash paid for interest expense | ||||||
- | - | - | - | - | 760 | 1,983 |
Supplemental disclosures of non-cash investing and financing information: | ||||||
Purchase of property and equipment included in accounts payable | ||||||
372 | 533 | 420 | 1,033 | - | - | - |
Fair value of warrants issued in connection with term loan | ||||||
- | 4,799 | 363 | - | - | - | - |
Accrued deferred financing costs | ||||||
- | - | 125 | - | - | - | - |
Equity component of convertible senior notes | ||||||
21,662 | - | - | - | - | - | - |
Conversion of convertible notes payable to Series D-1 convertible preferred stock, including interest | ||||||
- | - | - | - | - | - | 5,236 |
Release of liability in conjunction with exercise of preferred stock warrant | ||||||
- | - | - | - | - | - | 500 |
Acquisition of property and equipment under capital leases | ||||||
- | - | - | - | - | - | 113 |
Issuance of preferred stock warrants in connection with term loan Conversion of convertible preferred stock to common stock | ||||||
- | - | - | - | 863 | 66 | 619 |
Conversion of convertible preferred stock to common stock | ||||||
- | - | - | - | 78,467 | - | - |
Reclassification of warrant liability to additional paid-in-capital upon closing of initial public offering | ||||||
- | - | - | - | 1,892 | - | - |
Echelon Corporation [Member] | ||||||
payments to acquire businesses, net of cash acquired | ||||||
- | 28,836 | - | - | - | - | - |
S3 Asic Semiconductors Limited [Member] | ||||||
payments to acquire businesses, net of cash acquired | ||||||
- | 34,616 | 350 | - | - | - | - |