Note 1 - Significant Accounting Policies - Schedule of Common Stock Outstanding (Details) - shares			12 Months Ended
		Dec. 30, 2020	Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019
Balance, Beginning of Year (in shares)			34,031,374		25,932,618		27,437,844
Issuance Related to CCR Merger (1) (in shares)		7,967,690	0	[1]	7,967,690	[1]	0	[1]
Retirement Related to Stock Repurchase (2) (in shares)	[2]		0		0		(1,717,497)
Issuance Related to Stock-Based Compensation (3) (in shares)	[3]		448,807		131,066		212,271
Balance, End of Year (in shares)			34,480,181		34,031,374		25,932,618

[1] See Note 2 - Major Transactions for additional information.

[2] See Note 5 - Stock and Debt Repurchases for additional information.

[3] See Note 18 - Stock-Based Compensation for additional information.