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Organization and Description of Business and Accounting Policies (Details 1) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 01, 2016 | Jan. 02, 2015 | Jan. 03, 2014
Organization And Description Of Business And Accounting Policies [Line Items] |  |  |
Balance | $ (1,070) | $ 282 | $ 1,580
Other comprehensive income (loss) | (562) | (1,863) | (707)
Tax effect | 52 | 511 | (591)
Balance | (1,580) | (1,070) | 282
Accumulated Translation Adjustment [Member] |  |  |
Organization And Description Of Business And Accounting Policies [Line Items] |  |  |
Balance | (176) | 779 | 2,106
Other comprehensive income (loss) | 52 | (1,527) | (861)
Tax effect | (21) | 572 | (466)
Balance | (145) | (176) | 779
Accumulated Defined Benefit Plans Adjustment [Member] | JAPAN |  |  |
Organization And Description Of Business And Accounting Policies [Line Items] |  |  |
Balance | 121 | 107 | 296
Other comprehensive income (loss) | (38) | 23 | (126)
Tax effect | 12 | (9) | (63)
Balance | 95 | 121 | 107
Accumulated Defined Benefit Plans Adjustment [Member] | SWITZERLAND |  |  |
Organization And Description Of Business And Accounting Policies [Line Items] |  |  |
Balance | (1,015) | (604) | (822)
Other comprehensive income (loss) | (576) | (359) | 280
Tax effect | 61 | (52) | (62)
Balance | $ (1,530) | $ (1,015) | $ (604)

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