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Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2020
Summary of Assets and Liabilities Held for Sale and Operating Results Related to Discontinued Operations | The following table summarizes the results of discontinued operations for the periods presented (in thousands).
|  | Year ended December 31,
|  | 2019 |  |
Product revenue |  | $ | 901 |  |
Cost of revenue |  |  | 857 |  |
Gross profit |  |  | 44 |  |
Operating expenses: |  |  |  |  |
Research and development |  |  | 656 |  |
Sales and marketing |  |  | 411 |  |
General and administrative |  |  | 185 |  |
Total operating expenses |  |  | 1,252 |  |
Operating loss |  |  | (1,208 | ) |
Other income (expense) |  |  | 112 |  |
Loss from discontinued operations |  | $ | (1,096 | ) |
Loss from sale of business |  |  | (6,508 | ) |
Net loss from discontinued operations |  | $ | (7,604 | ) |
Included in the statement of cash flows are the following non-cash adjustments related to the discontinued operations (in thousands):
|  | For the year ended December 31, 2019 |
Depreciation and amortization |  | $ | 467 |
Provision for excess inventory |  | $ | — |
Loss on asset disposal |  | $ | — |
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 was finalized during the fourth quarter of 2019 (in thousands):
Consideration received |  | $ | 7,000 |
Transaction costs |  |  | (1,363 | )
Net cash proceeds |  |  | 5,637 |
Less: |  |  |  |
Carrying value of business and assets sold |  |  | 12,145 |
Net loss on sale of business |  | $ | (6,508 | )

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