| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net income (loss) | ||||||
926 | -2,584 | 1,141 | 3,733 | - | - | |
Net income (loss) | ||||||
- | - | - | - | -270 | 3,588 | |
Adjustments to reconcile net income (loss) to net cash used in operating activities: | ||||||
Depreciation | ||||||
493 | 587 | 436 | 495 | 458 | 371 | |
Amortization | ||||||
655 | 677 | 581 | 373 | 14 | 0 | |
Fair market value adjustment - warrants | ||||||
- | - | - | -460 | -85 | -2,747 | |
Exercise and expiration of warrants | ||||||
- | - | - | - | 15 | 38 | |
Amortization of premium (discounts) on investments, net | ||||||
312 | 202 | 91 | - | - | - | |
Stock-based compensation | ||||||
2,204 | 2,910 | 736 | 298 | 341 | 657 | |
Forgiveness of note to employee | ||||||
- | - | - | - | 266 | - | |
Deferred tax liability | ||||||
14 | 30 | 2 | 6 | - | - | |
Loss on disposal of fixed assets | ||||||
- | -39 | - | - | - | 25 | |
Gain on deferred purchase price liability | ||||||
- | -389 | - | - | - | - | |
Changes in operating assets and liabilities: | ||||||
Trade accounts receivable | ||||||
643 | -1,043 | 2,679 | 1,422 | -210 | 90 | |
Inventory | ||||||
-158 | 610 | 162 | 27 | 119 | - | |
Prepaid expenses and other assets | ||||||
189 | 241 | 526 | 120 | 36 | -2 | |
Accounts payable | ||||||
-303 | 294 | -102 | 1,075 | 298 | 173 | |
Accrued bonus | ||||||
-691 | 416 | 476 | 413 | 516 | -119 | |
Accrued liabilities | ||||||
234 | -470 | 50 | 411 | 361 | -337 | |
Deferred obligation under operating lease | ||||||
-196 | -123 | -117 | -106 | -91 | 214 | |
Net cash used in operating activities | ||||||
2,350 | 1,377 | -255 | 4,669 | - | - | |
Cash flows from investing activities: | ||||||
Purchases of available-for-sale securities | ||||||
36,456 | 29,666 | 21,962 | - | - | - | |
Net cash used in operating activities | ||||||
- | - | - | - | 1,848 | 1,648 | |
Maturities of available-for-sale securities | ||||||
35,270 | 30,992 | 750 | - | - | - | |
Cash paid for acquisition | ||||||
- | - | 6,349 | - | 4,000 | - | |
Purchases of property and equipment | ||||||
1,196 | 990 | 263 | 275 | 132 | 984 | |
Net cash provided by (used in) investing activities | ||||||
-2,382 | 336 | -27,824 | -275 | - | - | |
Cash flows from financing activities: | ||||||
Proceeds from sale of equipment | ||||||
- | - | - | - | - | 34 | |
Net cash provided by (used in) investing activities | ||||||
- | - | - | - | -4,132 | -949 | |
Proceeds from notes payable | ||||||
- | - | - | - | 4,000 | 500 | |
Repayment of notes payable | ||||||
- | 1,333 | 1,389 | 1,624 | 273 | 129 | |
Proceeds from exercise of warrants | ||||||
- | - | - | - | 225 | - | |
Costs related to initial public offering | ||||||
- | - | 1 | - | - | - | |
Issuance of note to employee | ||||||
- | - | - | - | - | -266 | |
Proceeds from initial public offering and issuance of warrants to underwriters | ||||||
- | - | - | 13,600 | - | - | |
Costs related to initial public offering | ||||||
- | - | - | 2,657 | - | - | |
Proceeds from secondary public offering | ||||||
- | - | - | 26,797 | - | - | |
Costs related to secondary public offering | ||||||
- | - | - | 820 | - | - | |
Payment on deferred purchase price liability | ||||||
- | 375 | - | - | - | - | |
Repurchases of common stock | ||||||
1,227 | 2,174 | 1,257 | - | - | - | |
Proceeds from issuance of common stock, net | ||||||
835 | 765 | 588 | - | - | - | |
Proceeds from exercise of stock options | ||||||
- | - | - | 137 | 77 | 0 | |
Net cash provided by (used in) financing activities | ||||||
-392 | -3,117 | -2,057 | 35,431 | - | - | |
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||
-424 | -1,404 | -30,136 | - | - | - | |
Supplemental disclosure of cash flow information: | ||||||
Interest paid | ||||||
1 | 37 | 99 | 177 | - | - | |
Interest paid | ||||||
- | - | - | - | 39 | 42 | |
Taxes paid | ||||||
71 | 46 | 103 | - | 6 | 10 | |
Supplemental disclosure of non-cash investing and financing activities: | ||||||
Accretion of Series E, F, and G preferred redeemable convertible stock to redemption amount | ||||||
- | - | - | 1,356 | 2,157 | 2,144 | |
Accrual of property and equipment | ||||||
4 | - | - | - | - | - | |
Net cash used in financing activities | ||||||
- | - | - | - | 4,029 | 104 | |
Net increase (decrease) in cash and cash equivalents | ||||||
- | - | - | 39,825 | 1,745 | 802 | |
Property and equipment acquired through lease incentives | ||||||
- | - | - | - | - | 650 | |
Conversion of warrants | ||||||
- | - | - | 249 | - | - | |
Conversion of preferred stock into common stock | ||||||
- | - | - | 50,432 | - | - | |