Note 18 - Earnings Per Share ("EPS") - Basic and Diluted Earnings Per Share (Details) - shares	3 Months Ended												12 Months Ended
	Dec. 31, 2020	[1]	Sep. 30, 2020	[2]	Jun. 30, 2020	[3]	Mar. 31, 2020	[4]	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Basic (in shares)													14,222,163	14,120,584	14,441,536
Stock options, SARs, RSAs and RSUs (in shares)													0	253,199	247,505
Diluted shares used in the calculation of earnings per share (in shares)	14,275,000		14,205,000		14,199,000		14,353,000		14,621,000	14,387,000	14,088,000	14,314,000	14,222,163	14,373,783	14,689,041

[1] In the quarter ended December 31, 2020, we recorded a pre-tax goodwill impairment charge of $24.4 million and we recognized a pre-tax benefit of $12.5 million related to a change in the fair value of our contingent consideration liability.

[2] In the quarter ended September 30, 2020, we recorded a pre-tax expense in the amount of $4.1 million related to a change in the fair value of our contingent consideration liability.

[3] In the quarter ended June 30, 2020, we recorded a pre-tax expense in the amount of $4.2 million related to a change in the fair value of our contingent consideration liability.

[4] In the quarter ended March 31, 2020, we recorded a pre-tax goodwill impairment charge of $18.1 million and we recognized a pre-tax benefit of $24.5 million related to a change in the fair value of our contingent consideration liability.