Note 7 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	Three Months Ended March 31,
	2024			2023
Stock-based compensation expense, gross	$	6		$	2
Income tax benefit at our statutory rate associated with stock-based compensation		(2	)		(1	)
Stock-based compensation expense, net	$	4		$	1

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

	Three Months Ended March 31,
	2024					2023
				Weighted-					Weighted-
				Average					Average
	Number			Grant Date		Number			Grant Date
	of			Fair Value		of			Fair Value
	Shares			Per Share		Shares			Per Share
Restricted common stock:
Outstanding - beginning of period		1,467,936		$	12.17		997,745		$	20.62
Granted (1)		1,126,296			8.10		12,227			12.04
Vested		(307,276	)		13.78		(257,355	)		20.21
Outstanding - end of period		2,286,956		$	9.95		752,617		$	20.62
Restricted Class A common stock:
Outstanding - beginning of period		1,148,233		$	12.37		677,238		$	19.36
Granted (1)		823,393			8.25		25,022			13.30
Vested		(318,733	)		13.17		(203,986	)		18.76
Outstanding - end of period		1,652,893		$	10.16		498,274		$	19.30
Restricted stock units - common stock:
Outstanding - beginning of period		587,168		$	11.50		274,145		$	23.60
Granted		1,229,390			5.72		587,168			11.50
Vested		(564,793	)		11.50		(247,953	)		23.64
Forfeited		(22,375	)		11.50		(26,192	)		23.15
Outstanding - end of period		1,229,390		$	5.72		587,168		$	11.50