| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | ||
|---|---|---|---|---|---|---|
Operating activities | ||||||
Net loss | ||||||
-6,936 | -1,669 | -34,433 | -39,493 | -29,141 | ||
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Depreciation, amortization and impairment | ||||||
127 | 16 | - | - | - | ||
Depreciation expense | ||||||
- | - | 324 | 277 | 49 | ||
Equity-based compensation expense | ||||||
751 | 30 | 4,219 | 6,572 | 6,597 | ||
Change in fair value of warrant liability | ||||||
-1,311 | 0 | - | - | - | ||
Amortization and accretion on investments | ||||||
- | - | 68 | -16 | -9 | ||
Other non-cash items | ||||||
- | - | 1 | 3 | 4 | ||
Changes in operating assets and liabilities: | ||||||
Restricted cash | ||||||
- | - | - | - | 0 | ||
Accounts receivable | ||||||
-0 | 0 | -1 | 12 | 0 | ||
Inventory | ||||||
-1 | 0 | -22 | 454 | 0 | ||
Prepaid expenses and other current assets | ||||||
-91 | 239 | -148 | 17 | 538 | ||
Other assets | ||||||
- | - | -64 | 64 | -100 | ||
Accounts payable | ||||||
-519 | -285 | 819 | 309 | 621 | ||
Accrued expenses and other current liabilities | ||||||
-320 | 3,275 | 1,124 | 746 | 1,570 | ||
Deferred revenue | ||||||
-3,465 | 3,048 | - | - | - | ||
Deferred revenue | ||||||
- | - | -16 | 88 | 0 | ||
Deferred rent | ||||||
- | - | 68 | -9 | -18 | ||
Other long term liabilities | ||||||
- | - | 0 | -15 | 0 | ||
Net cash used in operating activities | ||||||
-11,580 | 4,177 | -27,722 | -32,052 | -20,746 | ||
Investing activities | ||||||
Net cash received in reverse acquisition | ||||||
5,403 | 0 | - | - | - | ||
Net proceeds received from disposal of discontinued operations | ||||||
204 | 0 | - | - | - | ||
Purchases of marketable securities | ||||||
- | - | 32,987 | 38,682 | 39,397 | ||
Proceeds from maturities and sales of marketable securities | ||||||
- | - | 57,585 | 26,995 | 12,398 | ||
Purchases of property and equipment | ||||||
- | - | 113 | 559 | 265 | ||
Proceeds from sales of property and equipment | ||||||
- | - | 5 | 5 | 0 | ||
Net cash provided by investing activities | ||||||
5,607 | 0 | 24,489 | -12,240 | -27,265 | ||
Financing activities | ||||||
Proceeds to redeem equity securities | ||||||
0 | 25 | - | - | - | ||
Proceeds from issuance of equity securities, net | ||||||
4,130 | 2,025 | - | - | - | ||
Payment of dividends | ||||||
133 | 0 | - | - | - | ||
Payments to redeem Series 1 preferred units | ||||||
0 | 615 | - | - | - | ||
Payments on note payable | ||||||
417 | 0 | - | - | - | ||
Proceeds from initial public offering, net of offering costs | ||||||
- | - | - | - | 80,435 | ||
Proceeds from exercise of common stock | ||||||
- | - | 2 | 22 | 8 | ||
Proceeds from early exercise of common stock | ||||||
- | - | - | - | 400 | ||
Net cash provided by financing activities | ||||||
3,579 | 1,435 | 2 | 22 | 80,843 | ||
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||
-2,392 | 5,612 | -3,230 | -44,270 | - | ||
Net (decrease) increase in cash and cash equivalents | ||||||
- | - | - | - | 32,832 | ||
Non-cash investing and financing activities: | ||||||
Property and equipment purchases included in accounts payable | ||||||
- | - | 0 | 7 | 106 | ||
IPO issuance costs paid in cash through December 31, 2014 | ||||||
- | - | - | - | 575 | ||