|
Note 6. Equity Incentive Plan and Stock-Based Compensation (Details) - Valuation Assumption - Stock Options
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 29, 2013
|
Dec. 30, 2012
|
Dec. 25, 2011
|
|
| Note 6. Equity Incentive Plan and Stock-Based Compensation (Details) - Valuation Assumption - Stock Options [Line Items] | |||
| Dividend yield | 0.00% | ||
|
Employee Stock Option [Member]
|
|||
| Note 6. Equity Incentive Plan and Stock-Based Compensation (Details) - Valuation Assumption - Stock Options [Line Items] | |||
| Expected volatility | 46.19% | 50.84% | 56.18% |
| Risk-free interest rate | 1.02% | 0.64% | 1.45% |
| Expected term (in years) | 4 years 127 days | 4 years 127 days | 4 years 127 days |
| Dividend yield | 0.00% | 0.00% | 0.00% |