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Note 6 - Equity Incentive Plan and Stock-Based Compensation (Details) - RSU Award Activities (Restricted Stock Units (RSUs) [Member], USD $)
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6 Months Ended |
|---|---|
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Jun. 29, 2014
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|
|
Restricted Stock Units (RSUs) [Member]
|
|
| Note 6 - Equity Incentive Plan and Stock-Based Compensation (Details) - RSU Award Activities [Line Items] | |
| Number of Shares | 2,384,712 |
| Weighted Average Grant-date Fair Value | $ 14.01 |
| Granted | 1,042,532 |
| Granted | $ 15.38 |
| Cancelled/Forfeited | (90,293) |
| Cancelled/Forfeited | $ 12.93 |
| Vested | (1,148,613) |
| Vested | $ 12.73 |
| Number of Shares | 2,188,338 |
| Weighted Average Grant-date Fair Value | $ 15.38 |