|
Note 5 - Equity Incentive Plan and Stock-Based Compensation (Details) - RSU Award Activities (USD $)
|
3 Months Ended |
|---|---|
|
Mar. 30, 2014
|
|
| Note 5 - Equity Incentive Plan and Stock-Based Compensation (Details) - RSU Award Activities [Line Items] | |
| Granted | 274,000 |
|
Restricted Stock Units (RSUs) [Member]
|
|
| Note 5 - 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 | 912,593 |
| Granted | $ 15.00 |
| Cancelled/Forfeited | (69,553) |
| Cancelled/Forfeited | $ 12.72 |
| Vested | (639,229) |
| Vested | $ 10.58 |
| Number of Shares | 2,588,523 |
| Weighted Average Grant-date Fair Value | $ 15.24 |