Note 13 - Stock-Based Compensation - Stock Options Activity (Details) - USD ($)	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Balance (in shares)	121	186	229
Weighted average price balance (in dollars per share)	$ 28.46	$ 32.09	$ 30.52
Weighted average remaining, balance (Year)	3 years 2 months 8 days	3 years 9 months	3 years 3 months 25 days	3 years 8 months 12 days
Options granted (in shares)	0	0	0
Weighted average price, granted (in dollars per share)	$ 0	$ 0	$ 0
Forfeited or expired (in shares)	(28)	(65)	(42)
Weighted average price, forfeited or expired (in dollars per share)	$ 31.68	$ 38.83	$ 24.14
Exercised, options (in shares)	0	0	(1)
Weighted average price, exercised (in dollars per share)	$ 0	$ 0	$ 10.92
Balance (in shares)	93	121	186	229
Weighted average price balance (in dollars per share)	$ 27.49	$ 28.46	$ 32.09	$ 30.52
Aggregate intrinsic value, balance	$ 0
Exercisable and Vested and expected to vest, options (in shares)	93
Weighted average price, exercisable and Vested and expected to vest (in dollars per share)	$ 27.49
Weighted average remaining, exercisable and Vested and expected to vest (Year)	3 years 2 months 8 days
Aggregate intrinsic value, exercisable and Vested and expected to vest	$ 0