| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Operating activities | ||||||
Net loss | ||||||
-13,227 | -10,382 | -9,258 | -8,470 | -7,031 | -7,127 | |
Adjustment to reconcile net loss to net cash used in operating activities: | ||||||
Depreciation and amortization | ||||||
1,285 | 843 | 184 | 153 | 105 | 140 | |
Share-based compensation | ||||||
872 | 263 | 122 | 218 | 237 | 272 | |
Gain on disposal of equipment | ||||||
12 | 13 | 0 | 2 | 1 | 0 | |
Loss on asset held for sale | ||||||
149 | 0 | 0 | - | - | - | |
Impairment loss | ||||||
103 | 0 | 0 | - | - | - | |
Other non-cash charges | ||||||
0 | -1 | 0 | 395 | 0 | - | |
Non-cash interest expense | ||||||
- | - | - | - | - | 0 | |
Changes in operating assets and liabilities: | ||||||
Other receivables | ||||||
-65 | -56 | 11 | 121 | 21 | -48 | |
Inventory | ||||||
1,154 | -93 | 169 | 0 | 0 | - | |
Prepaid expenses and other assets | ||||||
-59 | -289 | 592 | -38 | 12 | -117 | |
Accounts payable and accrued liabilities | ||||||
609 | -966 | 625 | 340 | -25 | -13 | |
Net cash used in operating activities | ||||||
-11,248 | -9,816 | -9,100 | -7,448 | -6,748 | -6,560 | |
Investing activities | ||||||
Purchase of property, plant and equipment | ||||||
2,316 | 4,009 | 18,893 | 934 | 74 | 116 | |
Deposits on equipment purchases | ||||||
160 | 95 | 153 | 156 | 0 | - | |
Deposits on equipment purchases | ||||||
- | - | - | - | - | 0 | |
Proceeds from sale of equipment | ||||||
15 | 23 | 0 | 23 | 0 | 0 | |
Payment of patent costs | ||||||
- | - | - | 5 | 30 | 35 | |
Net cash provided by (used in) investing activities | ||||||
-2,461 | -4,081 | -19,045 | -1,073 | -104 | -152 | |
Financing activities | ||||||
Proceeds from issuance of debt | ||||||
900 | 771 | 256 | 547 | 44 | - | |
Proceeds from issuance of debt | ||||||
- | - | - | - | - | 268 | |
Repayment of term debt | ||||||
85 | 55 | 35 | 6 | 0 | 0 | |
Proceeds from the issuance of convertible debt | ||||||
- | - | - | 10,000 | 0 | 0 | |
Proceeds from the issuance of common stock, net | ||||||
12,395 | 10,616 | 24,989 | 0 | 3,000 | 9,743 | |
Proceeds from the exercise of stock options and warrants, net | ||||||
272 | 5,116 | 27 | 0 | 0 | 12 | |
Net cash provided by financing activities | ||||||
13,482 | 16,448 | 25,237 | 10,540 | 3,044 | 10,024 | |
Effect of exchange rate changes on cash and cash equivalents | ||||||
23 | -54 | 80 | -7 | -41 | -23 | |
Net change in cash and cash equivalents | ||||||
-203 | 2,496 | -2,828 | 2,011 | -3,849 | 3,287 | |
Supplemental disclosure of cash flow information and non-cash transactions: | ||||||
Interest paid in cash | ||||||
62 | 22 | 21 | - | - | - | |
Interest paid in cash | ||||||
- | - | - | 6 | 0 | 0 | |
Conversion of convertible debt and accrued interest to common stock | ||||||
- | - | - | 10,395 | 0 | - | |
Conversion of convertible debt and accrued interest to common stock | ||||||
- | - | - | - | - | 0 | |
Property and equipment included in accounts payable and accrued liabilities | ||||||
210 | 193 | 1,036 | 50 | 0 | - | |
Acquisition of equipment under debt arrangement | ||||||
0 | 74 | 0 | 0 | - | - | |
Acquisition of equipment through vendor payments | ||||||
- | - | - | - | - | 0 | |