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Geographic and Product Data | 12 Months Ended
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Dec. 29, 2017
Segment Reporting [Abstract] |
Segment Reporting Disclosure [Text Block] | Note 16 — Geographic and Product Data The Company markets and sells its products in more than 75 countries and conducts its manufacturing in the United States. Other than the Japan, China, the United States, and Korea, the Company does not conduct business in any country in which its sales in that country exceed 10% of consolidated net sales. Sales are attributed to countries based on location of customers. The composition of the Company’s sales to unaffiliated customers is set forth below (in thousands):
Net sales to unaffiliated customers |  | 2017 |  | 2016 |  | 2015 |
Japan |  | $ | 17,424 |  | $ | 17,329 |  | $ | 16,982 |
China |  |  | 23,881 |  |  | 16,019 |  |  | 12,571 |
United States |  |  | 7,894 |  |  | 9,859 |  |  | 10,904 |
Korea |  |  | 5,543 |  |  | 7,455 |  |  | 8,061 |
Others* |  |  | 35,869 |  |  | 31,770 |  |  | 28,605 |
Total |  | $ | 90,611 |  | $ | 82,432 |  | $ | 77,123 |
*No other location individually exceeds 10% of total sales. 100% of the Company’s sales are generated from the ophthalmic surgical product segment and the chief operating decision maker makes the operating decisions and allocates resources based upon the consolidated operating results, therefore, the Company operates as one operating segment for financial reporting purposes. The Company’s principal products are IOLs used in cataract surgery and ICLs used in refractive surgery. The composition of the Company’s net sales by product line is as follows (in thousands):
Net sales by product line |  | 2017 |  | 2016 |  | 2015 |
ICLs |  | $ | 68,325 |  | $ | 59,111 |  | $ | 51,543 |
IOLs |  |  | 17,258 |  |  | 19,706 |  |  | 19,857 |
Other surgical products |  |  | 5,028 |  |  | 3,615 |  |  | 5,723 |
Total |  | $ | 90,611 |  | $ | 82,432 |  | $ | 77,123 |
The composition of the Company’s long-lived assets, consisting of property and equipment, net, and intangible assets, net, between those in the United States, Switzerland, and Japan is set forth below (in thousands):
Long-lived assets |  | 2017 |  | 2016 |
U.S. |  | $ | 8,523 |  | $ | 10,704 |
Switzerland |  |  | 912 |  |  | 737 |
Japan |  |  | 612 |  |  | 822 |
Total |  | $ | 10,047 |  | $ | 12,263 |
The Company sells its products internationally, which subjects the Company to several potential risks, including fluctuating exchange rates (to the extent the Company’s transactions are not in U.S. dollars), regulation of fund transfers by foreign governments, United States and foreign export and import duties and tariffs, and political instability.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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