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Nature of Business, Basis of Presentation and Significant Accounting Policies - Textual (Details) shares in Millions, $ in Millions | 12 Months Ended
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Dec. 26, 2015 USD ($) Customer shares | Dec. 27, 2014 USD ($) Customer shares | Dec. 28, 2013 USD ($) Customer shares
Accounting Policies [Line Items] |  |  |
Fiscal year duration | 364 days | 364 days | 364 days
Foreign currency transaction gains (losses) | $ | $ 0.5 | $ 0.1 | $ (0.7)
Maximum period of delivery to customers | 6 months |  |
Maximum period services are provided over the fixed arrangement term | 12 months |  |
Maximum measurement period | 1 year |  |
Product warranty period | 12 months |  |
Advertising costs | $ | $ 0.3 | $ 0.2 | $ 0.2
Anti-dilutive common stock equivalents excluded from calculation | shares |  | 0.4 | 0.4
Number of Major Customer | Customer | 5 | 5 | 5
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Concentration of risk percentage | 69.00% | 72.00% | 71.00%
Stock Options [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Anti-dilutive common stock equivalents excluded from calculation | shares | 0.3 |  |
Minimum [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Fiscal year duration | 364 days |  |
Maximum [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Fiscal year duration | 371 days |  |

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