| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 |
|---|---|---|---|---|---|---|
Net loss | ||||||
- | - | - | -29,989 | - | - | - |
Cash flows from operating activities: | ||||||
Net loss | ||||||
-53,710 | -12,468 | -25,060 | - | -32,623 | -4,234 | -30,461 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Write off of deferred offering costs | ||||||
- | - | - | 111 | 0 | 0 | - |
Recovery of bad debt | ||||||
- | - | - | - | - | - | 10 |
Depreciation | ||||||
111 | 53 | 41 | 26 | 447 | 1,238 | 1,329 |
Stock-based compensation expense | ||||||
1,828 | 1,816 | 1,662 | 1,210 | 3,023 | 1,201 | 180 |
Accretion of investments discount | ||||||
16 | 111 | -124 | - | - | - | - |
Amortization of investment premium | ||||||
- | - | - | 315 | 0 | 0 | - |
Amortization of debt discount | ||||||
- | - | 400 | 100 | - | - | - |
Amortization of debt issuance costs and discount | ||||||
1,171 | 428 | - | - | 0 | 755 | 3,485 |
Warrant liabilities fair value adjustment | ||||||
4,497 | -11,866 | -2,729 | 1,906 | 0 | 0 | 7,886 |
Derivative fair value adjustment | ||||||
- | - | - | - | 0 | 10,080 | - |
Changes in deferred rent | ||||||
- | - | -25 | 1 | -108 | -187 | -53 |
Deferred offering write-off | ||||||
0 | 230 | 0 | - | - | - | - |
Derivative liability fair value adjustment | ||||||
1,567 | 0 | - | - | - | - | - |
Noncash operating lease expense for right-of-use asset | ||||||
174 | 0 | - | - | - | - | - |
Non-cash component of impairment loss on classification of assets as held for sale | ||||||
- | - | - | - | 586 | 0 | - |
Beneficial conversion feature on convertible notes related party | ||||||
- | - | - | - | - | - | 10,802 |
Gain on insurance recovery | ||||||
- | - | - | - | 0 | 165 | 0 |
Loss on disposal of Services Business | ||||||
- | - | - | - | -73 | 0 | 988 |
Loss on extinguishment of debt | ||||||
-1,045 | 0 | - | - | 0 | -1,389 | 0 |
Changes in operating assets and liabilities: | ||||||
Accounts receivable and unbilled services | ||||||
- | - | - | - | -31 | 439 | -1,366 |
Prepaid expenses, other assets, deferred costs, and other | ||||||
-3,254 | 6,367 | 790 | -172 | 633 | 490 | 102 |
Accounts payable, accrued expenses, and other | ||||||
5,215 | 219 | 2,078 | -309 | 1,066 | 1,575 | -82 |
Accrued severance and retention cost obligations | ||||||
- | - | - | - | 2,639 | 0 | - |
Accrued severance and retention cost obligations | ||||||
- | - | - | -2,639 | - | - | - |
Interest payable related party | ||||||
- | - | - | - | - | - | 892 |
Deferred revenue | ||||||
-121 | -257 | -257 | -257 | 954 | -35 | 1,449 |
Net cash used in operating activities | ||||||
-38,119 | -28,323 | -24,556 | -29,353 | -24,545 | -9,472 | - |
Maturities of investments | ||||||
- | - | - | - | 0 | 0 | - |
Proceeds from insurance recovery | ||||||
- | - | - | - | 0 | 216 | 0 |
Cash flows from investing activities: | ||||||
Net cash used in operating activities | ||||||
- | - | - | - | - | - | -4,307 |
Maturities of investments | ||||||
65,740 | 84,874 | 68,819 | 12,300 | - | - | - |
Proceeds from sale of Services Business | ||||||
- | - | - | 500 | 2,549 | 0 | 988 |
Maturity of a security | ||||||
- | - | - | 300 | 0 | 0 | - |
Purchase of a security | ||||||
- | - | - | - | 300 | 0 | - |
Payment of security deposit | ||||||
- | - | - | - | 74 | 0 | - |
Purchases of property and equipment | ||||||
0 | 565 | 2 | 27 | 589 | 704 | 431 |
Purchases of investments | ||||||
39,500 | 85,112 | 78,437 | 35,545 | 0 | 0 | - |
Net cash (used in) provided by investing activities | ||||||
26,240 | -803 | -9,620 | -22,472 | 1,586 | -488 | - |
Cash flows from financing activities: | ||||||
Net cash (used in) provided by investing activities | ||||||
- | - | - | - | - | - | 557 |
Proceeds from common stock issued | ||||||
46,337 | 31,657 | 10,287 | 28,077 | 41,400 | 62,000 | 0 |
Payments of offering costs and underwriting discounts and commissions | ||||||
2,855 | 2,272 | - | - | - | - | - |
Payments of deferred offering costs and underwriting discounts and commissions | ||||||
- | - | - | - | - | - | 95 |
Repayment of debt | ||||||
- | - | - | - | - | - | 0 |
Payments of offering costs and underwriting discounts and commissions | ||||||
- | - | 333 | 1,996 | 3,805 | 6,875 | 542 |
Proceeds from common stock issuance under employee stock purchase plan | ||||||
49 | 39 | 35 | 19 | 106 | 68 | 0 |
Proceeds from senior convertible notes | ||||||
16,000 | 0 | - | - | - | - | 899 |
Proceeds from Loan Agreement | ||||||
- | - | - | 15,000 | 0 | 0 | - |
Payments of senior convertible notes issuance costs | ||||||
1,253 | 0 | - | 604 | 0 | 0 | - |
Proceeds from sale of preferred stock | ||||||
- | - | - | - | 0 | 544 | 2,500 |
Payment of loan payable expected to be refinanced | ||||||
15,973 | 0 | - | - | 0 | 15,000 | - |
Proceeds from exercise of stock warrants | ||||||
- | - | - | - | 0 | 55 | 0 |
Proceeds from exercise of stock options | ||||||
- | - | - | - | 0 | 9 | 5 |
Net cash provided by financing activities | ||||||
42,305 | 29,424 | 9,989 | 40,496 | 37,701 | 40,801 | - |
Net (decrease) increase in cash, cash equivalents, and restricted cash | ||||||
30,426 | 298 | -24,187 | - | - | - | - |
Net cash provided by financing activities | ||||||
- | - | - | - | - | - | 2,767 |
Net decrease in cash and cash equivalents | ||||||
- | - | - | -11,329 | 14,742 | 30,841 | -983 |
Supplemental cash flow information: | ||||||
Cash paid for interest | ||||||
850 | 1,618 | 1,455 | - | - | - | - |
Cash paid for interest | ||||||
- | - | - | 351 | 0 | 49 | 197 |
Cash received for interest | ||||||
898 | 986 | 513 | 478 | 0 | 0 | - |
Noncash financing and investing activities: | ||||||
Operating lease liabilities arising from obtaining right-of-use assets | ||||||
3,365 | 0 | - | - | - | - | - |
Conversion of convertible notes into preferred stock | ||||||
- | - | - | - | - | - | 14,016 |
Beneficial conversion feature on sale of Series D-2 preferred stock | ||||||
- | - | - | - | 0 | 909 | 4,232 |
Beneficial conversion feature for antidilution adjustment | ||||||
- | - | - | - | 0 | 214 | 6,402 |
Adjustment of preferred stock to redemption value | ||||||
- | - | - | - | 0 | 510 | 5,714 |
Issuance of warrants allocated to debt discount | ||||||
- | - | - | - | 0 | 906 | 1,168 |
Deferred offering and issuance costs included in accounts payable and accrued expenses | ||||||
- | - | - | - | - | - | 1,233 |
Deemed contribution of a loan guarantee | ||||||
- | - | - | - | - | - | 3,930 |
Issuance of warrants with preferred stock | ||||||
- | - | - | - | - | - | 2,500 |
Equipment purchases in accounts payable and accrued expenses | ||||||
- | - | - | - | 0 | 34 | 15 |
Impairment of fixed asset | ||||||
- | - | - | - | 0 | 51 | 0 |
Deferred offering costs reclassified to additional-paid-in capital | ||||||
36 | 84 | 31 | 79 | 3,388 | 4,126 | 0 |
Common stock issued for settlement of senior convertible notes | ||||||
2,984 | 0 | - | - | - | - | - |
Warrant derivative liability reclassified to additional paid-in capital | ||||||
- | - | - | - | 0 | 2,701 | - |
Warrant derivative liability reclassified to additional paid-in capital | ||||||
- | - | - | - | - | - | 0 |
Conversion of convertible preferred stock to common stock | ||||||
- | - | - | - | 0 | 88,790 | 0 |
Proceeds from sale of Services Business held in escrow | ||||||
- | - | - | - | 500 | 0 | - |