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Disaggregation of Revenues, Geographic Sales and Product Sales (Tables) | 6 Months Ended
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Jun. 29, 2018
Segment Reporting [Abstract] |
Disaggregation of Revenue [Table Text Block] | The following breaks down revenues into the following categories (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 29, 2018 |  |  | June 30, 2017 |  |  | June 29, 2018 |  |  | June 30, 2017 |
Non-consignment sales |  | $ | 29,661 |  |  | $ | 18,086 |  |  | $ | 51,842 |  |  | $ | 33,842 |
Consignment sales |  |  | 4,244 |  |  |  | 3,850 |  |  |  | 9,156 |  |  |  | 8,444 |
Total net sales |  |  | 33,905 |  |  |  | 21,936 |  |  |  | 60,998 |  |  |  | 42,286 |
Royalty income (1) |  |  | 149 |  |  |  | 128 |  |  |  | 306 |  |  |  | 259 |
Total revenues |  | $ | 34,054 |  |  | $ | 22,064 |  |  | $ | 61,304 |  |  | $ | 42,545 |
| (1) | Shown as a separate line item in other income, net on the Condensed Consolidated Statements of Operations.
Revenue from External Customers by Geographic Areas [Table Text Block] | The composition of the Company’s net sales to unaffiliated customers is set forth below (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 29, 2018 |  |  | June 30, 2017 |  |  | June 29, 2018 |  |  | June 30, 2017 |
China |  | $ | 13,965 |  |  | $ | 6,046 |  |  | $ | 21,875 |  |  | $ | 10,672 |
Japan |  |  | 6,692 |  |  |  | 4,417 |  |  |  | 11,775 |  |  |  | 8,216 |
Other (1) |  |  | 13,248 |  |  |  | 11,473 |  |  |  | 27,348 |  |  |  | 23,398 |
Total revenues |  | $ | 33,905 |  |  | $ | 21,936 |  |  | $ | 60,998 |  |  | $ | 42,286 |
| (1) | No other location individually exceeds 10% of the total sales.
In addition, domestic and foreign sales are as follows (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 29, 2018 |  |  | June 30, 2017 |  |  | June 29, 2018 |  |  | June 30, 2017 |
Domestic |  | $ | 1,895 |  |  | $ | 2,092 |  |  | $ | 3,651 |  |  | $ | 4,050 |
Foreign |  |  | 32,010 |  |  |  | 19,844 |  |  |  | 57,347 |  |  |  | 38,236 |
Total revenues |  | $ | 33,905 |  |  | $ | 21,936 |  |  | $ | 60,998 |  |  | $ | 42,286 |
Revenue from External Customers by Products and Services [Table Text Block] | The composition of the Company’s net sales by product line is as follows (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 29, 2018 |  |  | June 30, 2017 |  |  | June 29, 2018 |  |  | June 30, 2017 |
ICLs |  | $ | 27,292 |  |  | $ | 16,317 |  |  | $ | 48,450 |  |  | $ | 31,588 |
Other product sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
IOLs |  |  | 4,186 |  |  |  | 4,377 |  |  |  | 8,244 |  |  |  | 8,983 |
Other surgical products |  |  | 2,427 |  |  |  | 1,242 |  |  |  | 4,304 |  |  |  | 1,715 |
Total other product sales |  |  | 6,613 |  |  |  | 5,619 |  |  |  | 12,548 |  |  |  | 10,698 |
Total net sales |  | $ | 33,905 |  |  | $ | 21,936 |  |  | $ | 60,998 |  |  | $ | 42,286 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599 + Details
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