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Discontinued Operations | 12 Months Ended
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Dec. 31, 2018
Discontinued Operations and Disposal Groups [Abstract] |
Discontinued Operations | 14. Discontinued Operations As explained in Note 1, on October 1, 2018, the Company completed the sale of its retail spine business to CTL Medical The gain on the sale of the retail spine business is estimated to approximate $1.4 million, which was recognized during the quarter ended December 31, 2018. The Company and CTL Medical entered in an asset purchase agreement whereby CTL Medical agreed to acquire all of the Company’s commercial spine business for total consideration of $8.5 million, which includes a $6.0 million (including interest) note receivable (See Note 13) and CTL Medical’s assumption of the Company’s $2.5 million related party note payable (see Note 8). As a result of the closing, CTL Medical is now the exclusive owner of Amedica’s portfolio of metal and silicon nitride spine products, which are presently sold under the brand names of Taurus, Preference, and Valeo, with access to future silicon nitride spine technologies. The Company has agreed to pay the cost, if any, to re-sterilize and re-package select silicon nitride spinal inventories sold to CTL Medical if the sterilization date expires prior to CTL Medical selling the inventories to a third-party customer. The Company estimates the sterilization and repackaging cost to approximate $0.5 million. Manufacturing, R&D, and all intellectual property related to the core, non-spine, biomaterial technology of silicon nitride remains with the Company in Salt Lake City. The Company will serve as CTL’s exclusive OEM provider of silicon nitride products. Assets and liabilities held for sale consisted of the following:
|  | September 30, 2018 |  |  | December 31, 2017 |
Assets |  |  |  |  |  |  |  |
Current assets held for sale: |  |  |  |  |  |  |  |
Retail spine inventory, net |  | $ | 1,708 |  |  | $ | 1,602 |
Long-term assets held for sale: |  |  |  |  |  |  |  |
Property and equipment, net |  |  | 959 |  |  |  | 1,162 |
Intangible assets, net |  |  | 2,249 |  |  |  | 2,651 |
Total assets |  | $ | 4,916 |  |  | $ | 5,415 |
Liabilities |  |  |  |  |  |  |  |
Current liabilities held for sale: |  |  |  |  |  |  |  |
Debt – related party |  | $ | 2,500 |  |  | $ | 2,356 |
Operating results related to discontinued operations consisted of the following:
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |
Product revenue |  | $ | 6,222 |  |  | $ | 11,227 |
Costs of revenue |  |  | 1,474 |  |  |  | 6,351 |
Gross profit |  |  | 4,748 |  |  |  | 4,876 |
Operating expenses: |  |  |  |  |  |  |  |
Research and development |  |  | 1,524 |  |  |  | 1,571 |
General and administrative |  |  | 190 |  |  |  | 726 |
Sales and marketing |  |  | 3,358 |  |  |  | 6,147 |
Total operating expenses |  |  | 5,072 |  |  |  | 8,444 |
Loss from discontinued operations |  | $ | (324 | ) |  | $ | (3,568 | )
During the nine-months ended September 30, 2018 and year ended December 31, 2017, the Company only recorded product revenues and cost of revenues related to the spine business. Because of the sale of the retail spine business to CTL Medical, all product revenues and costs of product revenues for these periods have been removed from the consolidated statements of operations. The only product revenues and cost of product revenues recorded in the statement of operations for the years ended December 31, 2018 and 2017, related to the three months ended December 31, 2018, which was subsequent to the sale of the spine business to CTL Medical.

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- Definition The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2122178 + Details
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