Note 6 - Stock-Based Compensation (Details) - Fair Value of Each Option Using Black-Scholes Valuation Model Assumptions (Chief Executive Officer [Member])	3 Months Ended
	Apr. 02, 2014
Options to Purchase 300,000 Shares of Common Stock [Member]
Note 6 - Stock-Based Compensation (Details) - Fair Value of Each Option Using Black-Scholes Valuation Model Assumptions [Line Items]
Risk-free interest rates	2.36%
Expected life (in years)	7 years 3 months
Dividend yield	0.90%
Expected volatility	42.80%
Options to Purchase 100,000 Shares of Common Stock [Member]
Note 6 - Stock-Based Compensation (Details) - Fair Value of Each Option Using Black-Scholes Valuation Model Assumptions [Line Items]
Risk-free interest rates	1.64%
Expected life (in years)	4 years 9 months
Dividend yield	0.90%
Expected volatility	33.10%