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Note 8 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2023				2022				2023				2022
Stock-based compensation expense, gross		$	5			$	6			$	14			$	17
Income tax benefit at our statutory rate associated with share-based compensation			(1	)			(2	)			(4	)			(4	)
Stock-based compensation expense, net		$	4			$	4			$	10			$	13

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

		Nine Months Ended
		September 30, 2023								September 30, 2022
						Weighted-								Weighted-
						average								average
						Grant Date								Grant Date
		*Number of*				*Fair Value*				*Number of*				*Fair Value*
		*Shares*				*Per Share*				*Shares*				*Per Share*
Restricted stock - common:
Outstanding - beginning of period⁽¹⁾			997,745			$	20.62				1,035,728			$	19.69
Granted⁽¹⁾			1,007,919			$	8.15				400,927			$	21.68
Vested			(461,953	)		$	20.27				(341,918	)		$	19.03
Outstanding - end of period⁽¹⁾			1,543,711			$	12.58				1,094,737			$	20.62

Restricted stock - Class A common:
Outstanding - beginning of period⁽¹⁾			677,238			$	19.36				720,421			$	18.22
Granted⁽¹⁾			738,854			$	8.34				250,448			$	20.52
Vested			(203,986	)		$	18.76				(229,758	)		$	16.99
Outstanding - end of period⁽¹⁾			1,212,106			$	12.74				741,111			$	19.38

Restricted stock units - common stock:
Outstanding - beginning of period			274,145			$	23.60				125,247			$	19.02
Granted			587,168			$	11.50				259,079			$	23.87
Vested			(247,953	)		$	23.64				(108,921	)		$	19.03
Forfeited			(26,192	)		$	23.15				(1,260	)		$	19.05
Outstanding - end of period			587,168			$	11.50				274,145			$	23.60