| Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 |
|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||
Net loss | ||||||||
-3,411 | -10,403 | - | - | - | - | - | - | - |
Net loss | ||||||||
- | - | -15,437 | -21,013 | -21,761 | -8,819 | -756 | -30,015 | -1,778 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation, amortization, and accretion | ||||||||
4,717 | 7,194 | 9,537 | 10,728 | 11,577 | 9,396 | 7,995 | 7,079 | 4,971 |
Stock-based compensation | ||||||||
1,053 | 1,472 | 3,627 | 5,673 | 6,021 | 5,483 | 3,652 | 2,442 | 1,364 |
Revaluation of preferred stock warrant liability | ||||||||
- | - | - | - | - | - | - | -554 | -56 |
Unrealized Gain (Loss) on Derivatives | ||||||||
- | - | - | - | - | - | - | -24,476 | 0 |
Issuance of Stock and Warrants for Services or Claims | ||||||||
- | - | - | - | - | - | - | 312 | 0 |
Impairment of long-lived assets | ||||||||
- | - | - | - | - | - | 949 | 0 | 0 |
Loss on disposal of property and equipment | ||||||||
9 | -68 | 12 | -18 | - | -9 | -2 | - | - |
Realized loss from investment | ||||||||
- | - | - | -8 | - | - | - | - | - |
Changes in operating assets and liabilities: | ||||||||
Accounts receivable | ||||||||
-2,646 | 456 | -1,051 | 793 | -1,701 | -1,308 | -2,788 | 7,030 | 2,943 |
Prepaid expenses and other current assets | ||||||||
- | - | -122 | - | - | - | - | - | - |
Loss on disposal of property and equipment | ||||||||
- | - | - | - | - | - | - | -65 | - |
Loss on disposal of property and equipment | ||||||||
- | - | - | - | - | - | - | - | 0 |
Prepaid expenses and other assets | ||||||||
-219 | -585 | - | 42 | -94 | 958 | -371 | 2,677 | -1,523 |
Materials inventory | ||||||||
-50 | -557 | -333 | 319 | -1,581 | 1,326 | 1,459 | 343 | 810 |
Accounts payable | ||||||||
-197 | 592 | -493 | -24 | -635 | 747 | -177 | -203 | 1,000 |
Accrued and other liabilities | ||||||||
894 | 110 | -3,069 | 2,985 | -1,769 | 1,767 | -369 | 5,446 | 2,274 |
Deferred revenue | ||||||||
-24 | -592 | - | - | - | - | - | - | - |
Deferred revenue | ||||||||
- | - | -1,063 | -1,217 | 895 | 616 | 726 | -5,128 | 4,827 |
Net cash (used in) provided by operating activities | ||||||||
5,938 | -873 | - | - | - | - | - | - | - |
Cash flows from investing activities: | ||||||||
Related party deferred revenue | ||||||||
- | - | - | 831 | -446 | 444 | 10,236 | 3,134 | 9,309 |
Net cash provided by operating activities | ||||||||
- | - | -5,404 | -4,827 | -1,850 | 7,779 | 3,486 | -8,156 | 1,175 |
Purchase of investments | ||||||||
27,362 | 20,888 | 23,486 | 32,577 | 48,451 | 1,001 | 2,201 | 750 | 0 |
Redemption of investments | ||||||||
24,775 | 22,861 | 24,676 | 51,410 | 4,802 | 1,001 | 2,201 | 750 | 11,764 |
Purchase of property and equipment | ||||||||
1,287 | 777 | 2,381 | 1,452 | 2,815 | 13,534 | 6,560 | 12,806 | 10,517 |
Proceeds from sale of equipment | ||||||||
12 | 14 | 22 | - | - | - | - | - | - |
Net cash used in investing activities | ||||||||
-3,862 | 1,210 | - | - | - | - | - | - | - |
Cash flows from financing activities: | ||||||||
Purchased and capitalized intangible assets | ||||||||
- | - | 45 | 803 | 1,194 | 1,585 | 1,274 | 835 | 323 |
Decrease in restricted cash | ||||||||
- | - | - | - | - | - | - | -173 | 0 |
Net cash (used in) provided by investing activities | ||||||||
- | - | -1,214 | 16,578 | -47,658 | -15,119 | -7,834 | -13,468 | 924 |
Proceeds from debt | ||||||||
- | - | - | - | - | 25,000 | 0 | 0 | - |
Payment of debt | ||||||||
- | - | - | 23,000 | 2,000 | 26,514 | 804 | 0 | - |
Principal payment under capital leases obligation | ||||||||
- | 17 | 13 | - | - | - | - | - | - |
Payment of selling stockholder offering costs | ||||||||
- | - | - | - | - | - | - | 1,389 | 0 |
Payment of long-term debt | ||||||||
- | - | - | - | - | - | - | - | 0 |
Proceeds from exercise of common stock options | ||||||||
185 | 11 | 714 | 1,160 | 1,190 | 2,654 | 2,433 | 476 | 109 |
Net cash provided by financing activities | ||||||||
185 | -6 | - | - | - | - | - | - | - |
Net decrease in cash and cash equivalents | ||||||||
2,261 | 331 | - | - | - | - | - | - | - |
Proceeds from exercise of common stock warrants | ||||||||
- | - | - | - | - | - | - | 6,376 | 0 |
Proceeds from initial public offering, net of expenses | ||||||||
- | - | - | - | - | - | - | 49,217 | 0 |
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs | ||||||||
- | - | - | - | - | - | - | 24,882 | 0 |
Net cash (used in) provided by financing activities | ||||||||
- | - | 701 | -21,840 | -810 | 1,140 | 1,629 | 79,562 | 109 |
Net increase (decrease) in cash and cash equivalents | ||||||||
- | - | -5,917 | -10,089 | -50,318 | -6,200 | -2,719 | 57,938 | 2,208 |
Supplemental disclosure of cash flow information: | ||||||||
Cash paid for interest | ||||||||
- | 6 | - | - | - | - | - | - | - |
Cash paid for interest | ||||||||
- | - | 9 | 652 | 666 | 790 | 1,196 | 0 | 0 |
Cash paid for income taxes, net of refunds received | ||||||||
1 | 1 | 6 | 5 | 21 | 8 | 45 | 20 | -73 |
Noncash investing/operating activities: | ||||||||
Transfer of property and equipment to materials inventory | ||||||||
105 | 409 | 791 | 1,543 | 999 | - | - | - | - |
Accretion on redeemable convertible preferred stock | ||||||||
- | - | - | - | - | - | - | -8,660 | -14,162 |
Contract intangible obtained under a derivative liability | ||||||||
- | - | - | - | - | - | - | 2,842 | 0 |
Issuance of debt in connection with derivative liability | ||||||||
- | - | - | - | - | - | - | 27,318 | 0 |
Transfer of property and equipment to inventory | ||||||||
- | - | - | - | - | 393 | 0 | 0 | - |
Transfer of materials inventory to property and equipment | ||||||||
206 | 428 | 1,515 | 3,373 | - | - | - | - | - |
Additions to property, equipment and intangible assets not paid at the end of the period | ||||||||
258 | 55 | 84 | 853 | 360 | 1,755 | - | - | - |