| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | ||
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net loss | ||||||
-44,795 | -40,254 | -26,580 | -13,557 | -12,332 | ||
Reconciliation of net loss to net cash used in operating activities | ||||||
Depreciation | ||||||
3,899 | 3,213 | - | - | - | ||
Depreciation | ||||||
3,899 | 3,213 | - | - | - | ||
Depreciation | ||||||
- | - | 2,908 | 687 | 89 | ||
Amortization of intellectual property | ||||||
200 | 190 | 163 | 128 | 110 | ||
Accretion of asset retirement obligation | ||||||
46 | 44 | 31 | 0 | - | ||
Fair value of warrant modification, net | ||||||
0 | 402 | - | - | - | ||
Fair value of common stock issued for consulting services | ||||||
4,925 | 423 | - | - | - | ||
Fair value of warrants issued for consulting services | ||||||
- | - | 0 | 138 | 65 | ||
Fair value of common stock issued for consulting services | ||||||
4,925 | 423 | 0 | 0 | 98 | ||
Stock-based compensation | ||||||
4,206 | 1,201 | 1,081 | 1,060 | 301 | ||
Warrant expense | ||||||
5,780 | 0 | 0 | 0 | - | ||
Increase in fair value of derivative liabilities | ||||||
- | - | - | - | -5,776 | ||
Amortization of debt discount | ||||||
0 | 2,006 | 360 | 54 | 909 | ||
Amortization of deferred financing costs | ||||||
56 | 83 | 83 | 62 | 5 | ||
Non-cash convertible note interest expense | ||||||
2,556 | 690 | 618 | 343 | 214 | ||
Non-cash convertible note interest expense | ||||||
2,556 | 690 | - | - | - | ||
Non-cash interest expense | ||||||
95 | 0 | - | - | - | ||
Lease liability, net of deferred rent write-off | ||||||
0 | -493 | 0 | 0 | - | ||
Amortization of lease liability | ||||||
0 | 80 | 0 | 0 | - | ||
Loss on disposal of Ebonex asset | ||||||
90 | 0 | 2,411 | 0 | - | ||
Loss on disposal of equipment | ||||||
-149 | -869 | -76 | 0 | - | ||
Inventory adjustment | ||||||
0 | 179 | 456 | 0 | - | ||
Changes in operating assets and liabilities | ||||||
Accounts receivable | ||||||
-481 | -157 | 882 | 0 | - | ||
Inventory | ||||||
492 | -295 | 1,636 | 59 | - | ||
Prepaid expenses and other current assets | ||||||
612 | -400 | -236 | 394 | 95 | ||
Accounts payable | ||||||
823 | 472 | 926 | -176 | 3,152 | ||
Accrued expenses | ||||||
-2,031 | 4,009 | 924 | 564 | 68 | ||
Deferred rent | ||||||
-40 | -100 | -177 | 29 | 164 | ||
Other assets and liabilities | ||||||
500 | 0 | - | - | - | ||
Net cash used in operating activities | ||||||
-25,177 | -26,318 | -19,002 | -11,121 | -1,476 | ||
Decrease (increase) in restricted cash | ||||||
- | - | - | - | -11,667 | ||
Purchases of property and equipment | ||||||
12,802 | 3,693 | 8,819 | 29,156 | 11,637 | ||
Proceeds from sale of equipment | ||||||
- | - | 4 | 0 | - | ||
Other assets | ||||||
0 | 236 | 345 | 250 | 1,594 | ||
Equipment deposits and other assets | ||||||
272 | 0 | - | - | - | ||
Insurance proceeds | ||||||
2,500 | 0 | - | - | - | ||
Payments to Acquire Intangible Assets | ||||||
- | - | 615 | 200 | 146 | ||
Net cash provided by (used in) investing activities | ||||||
-10,574 | -3,929 | -9,775 | -29,606 | -25,044 | ||
Proceeds from issuance of common stock, net of transaction costs | ||||||
29,380 | 28,753 | 25,325 | 30,709 | 32,862 | ||
Proceeds from issuance of notes payable, net of issuance costs | ||||||
- | - | - | - | 9,262 | ||
Payments on notes payable | ||||||
295 | 277 | 201 | 14 | - | ||
Payments on capital leases | ||||||
0 | 130 | - | - | - | ||
Payments on finance leases | ||||||
- | - | 136 | 52 | - | ||
Payments on convertible note | ||||||
-6,651 | 0 | 0 | 4,858 | - | ||
Net cash provided by (used in) financing activities | ||||||
22,434 | 28,346 | 24,988 | 35,501 | 42,124 | ||
Net decrease in cash, cash equivalents and restricted cash | ||||||
- | - | -3,789 | -5,226 | - | ||
Net decrease in cash and cash equivalents | ||||||
-13,317 | -1,901 | - | - | - | ||
Cash paid for interest | ||||||
697 | 668 | 699 | 330 | 103 | ||
Net (decrease) increase in cash and cash equivalents | ||||||
- | - | - | - | 15,604 | ||
Supplemental disclosure of non-cash transactions | ||||||
Cash paid for income taxes | ||||||
2 | 2 | 2 | 1 | 2 | ||
Tenant improvement allowances | ||||||
- | - | 0 | 78 | 869 | ||
Non-cash financing activities | ||||||
Capital lease | ||||||
0 | 38 | 0 | 310 | - | ||
Fair value of consulting warrants | ||||||
- | - | 0 | 138 | 65 | ||
Fair value of financing warrants | ||||||
- | - | 0 | -229 | -881 | ||
Fair value of common stock issued upon conversion of convertible notes and accrued interest | ||||||
- | - | - | - | 6,279 | ||
Fair value of common stock issued upon extinguishment of beneficial conversion feature derivative liability | ||||||
- | - | - | - | 6,280 | ||
Fair value of common stock issued to consultants | ||||||
4,925 | 423 | 0 | 0 | 98 | ||
Total non-cash financing activities | ||||||
4,925 | 461 | 0 | 677 | 13,603 | ||
Supplemental disclosure of non-cash transactions | ||||||
Change in property and equipment resulting from change in accounts payable | ||||||
-1,921 | 180 | -1,062 | 1,200 | - | ||
Change in property and equipment resulting from change in accrued expenses | ||||||
-928 | -14 | -1,098 | 1,330 | - | ||
Recognition of convertible debt discount | ||||||
- | - | 0 | 4,975 | - | ||
Asset retirement obligation offset with asset retirement cost (property and equipment) | ||||||
- | - | 670 | 0 | - | ||
Fair value of common stock issued for intellectual property | ||||||
- | - | 2,149 | 0 | - | ||
Change in equity resulting from change in accrued expenses | ||||||
1,300 | 600 | 0 | 0 | - | ||
Change in property and equipment resulting from fire damaged assets written off | ||||||
19,946 | 0 | - | - | - | ||
Change in insurance proceeds receivable resulting from fire | ||||||
17,446 | 0 | - | - | - | ||