Geographic and Product Data (Tables)

12 Months Ended

Jan. 02, 2015

Segment Reporting [Abstract]

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

The composition of the Company’s sales to unaffiliated customers is set forth below (in thousands):

Net sales to unaffiliated customers	2014		2013		2012
United States	$	11,117	$	12,851	$	12,427
Japan		19,107		17,666		16,692
China		9,370		8,618		8,406
Korea		6,563		7,743		6,713
Spain		5,562		4,867		3,026
France		3,696		2,546		1,612
Others*		19,572		17,924		14,907
Total	$	74,987	$	72,215	$	63,783

*No other location individually exceeds 5% of total sales.

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):

Net sales by product line	2014		2013		2012
ICLs	$	44,047	$	44,128	$	35,080
IOLs		24,336		24,153		25,971
Other surgical products		6,604		3,934		2,732
Total	$	74,987	$	72,215	$	63,783

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

The composition of the Company’s long-lived assets, consisting of property and equipment, between those in the United States, Switzerland, and Japan is set forth below (in thousands):

Long-lived assets	2014		2013
U.S.	$	9,127	$	6,096
Switzerland		596		849
Japan		343		460
Total	$	10,066	$	7,405