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Discontinued Operations (Tables) | 9 Months Ended
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Sep. 30, 2019
Summary of Assets and Liabilities Held for Sale and Operating Results Related to Discontinued Operations | Assets and liabilities related to discontinued operations or held for sale as of December 31, 2018 consisted of the following:
| December 31, 2018 |
Assets |  |  |  |
Current assets held for sale: |  |  |  |
Accounts receivable, net | $ | 108 |
Inventory, net |  |  | 2,841 |
Other current assets |  | 328 |
Long-term assets held for sale: |  |  |  |
Property and equipment, net |  | 260 |
Other noncurrent assets |  |  | 1,866 |
Goodwill |  |  | 3,550 |
Intangible assets, net |  |  | 5,957 |
Total assets | $ |  | 14,910 |
Liabilities |  |  |  |
Current liabilities held for sale: |  |  |  |
Accounts payable and accrued liabilities | $ | 580 |
Other noncurrent liabilities |  | 78 |
Deferred revenues |  | 167 |
Noncurrent liabilities | $ | 825 |
The following table summarizes the results of discontinued operations for the periods presented (in thousands). Discontinued operations did not have an impact on the Company’s results of operations during the three months ended September 30, 2019.
|  | Three months ended September 30, |  |  | Nine months ended September 30, |  |
|  | 2018 |  |  | 2019 |  |  | 2018 |  |
Product revenue |  | $ | 858 |  |  | $ | 901 |  |  | $ | 2,249 |  |
Costs of revenue |  | 628 |  |  | 857 |  |  |  | 1,837 |  |
Gross profit |  | 230 |  |  | 44 |  |  |  | 412 |  |
Operating expenses: |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development |  | 689 |  |  | 656 |  |  |  | 2,479 |  |
Sales and marketing |  | 337 |  |  | 411 |  |  |  | 1,060 |  |
General and administrative |  | 147 |  |  | 185 |  |  |  | 560 |  |
Total operating expenses |  |  | 1,173 |  |  |  | 1,252 |  |  |  | 4,099 |  |
Operating loss |  |  | (943 | ) |  |  | (1,208 | ) |  |  | (3,687 | ) |
Other income (expense) |  | 9 |  |  | 140 |  |  | 157 |  |
|  |  | (934 | ) |  | $ | (1,068 | ) |  | $ | (3,530 | ) |
Included in the statement of cash flows are the following non-cash adjustments related to the discontinued operations (in thousands):
|  | For the nine months ended September 30, |
|  | 2019 |  |  | 2018 |
Depreciation and amortization |  | $ | 467 |  |  | $ | 1,207 |
Provision for excess inventory |  | $ | — |  |  | $ | 433 |
Loss on asset disposal |  | $ | — |  |  | $ | 23 |
Discontinued Operations Disposed of By Sale [Member] |
Summary of Business Consideration to Calculation of the Loss on Sale | The following table summarizes the calculation of the loss on sale of the cell therapy business, which will be finalized during the fourth quarter of 2019 (in thousands):
Consideration received | $ |  | 7,000 |
Transaction costs |  | (1,161 | )
Net cash proceeds |  | 5,839 |
Less: |  |
Carrying value of business and assets sold |  | 12,145 |
Net loss on sale of business | $ |  | 6,306 |

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