|
Note 6 - Equity Incentive Plan and Stock-Based Compensation (Details) - Fair Value of Each Stock Option was Estimated at the Date of Grant using a Black-Scholes option (Employee Stock Option [Member])
|
3 Months Ended | 9 Months Ended |
|---|---|---|
|
Sep. 29, 2013
|
Sep. 29, 2013
|
|
|
Employee Stock Option [Member]
|
||
| Note 6 - Equity Incentive Plan and Stock-Based Compensation (Details) - Fair Value of Each Stock Option was Estimated at the Date of Grant using a Black-Scholes option [Line Items] | ||
| Expected volatility | 41.84% | 47.06% |
| Risk-free interest rate | 1.14% | 0.94% |
| Expected term (in years) | 4 years 127 days | 4 years 127 days |
| Dividend yield | 0.00% | 0.00% |