Note 8 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

	Year Ended December 31,
	2019			2018			2017
Stock-based compensation expense, gross	$	16		$	7		$	8
Income tax benefit at our statutory rate associated with stock-based compensation		(4	)		(2	)		(3	)
Stock-based compensation expense, net	$	12		$	5		$	5

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

	Year Ended December 31,
	2019					2018					2017
				Weighted-					Weighted-					Weighted-
				Average					Average					Average
	Number			Grant Date		Number			Grant Date		Number			Grant Date
	of			Fair Value		of			Fair Value		of			Fair Value
	Shares			Per Share		Shares			Per Share		Shares			Per Share
Restricted stock - common:
Outstanding - beginning of period		578,894		$	13.14		503,685		$	11.14		396,033		$	12.06
Granted		751,463			16.07		391,836			14.63		307,943			10.40
Vested		(352,810	)		12.98		(225,570	)		11.21		(200,291	)		11.82
Forfeited		-			-		(91,057	)		13.27		-			-
Outstanding - end of period		977,547		$	15.45		578,894		$	13.14		503,685		$	11.14
Restricted stock - Class A common:
Outstanding - beginning of period		407,786		$	11.82		462,632		$	10.63		415,082		$	10.15
Granted		199,810			15.36		220,080			12.65		275,076			10.84
Vested		(158,312	)		11.38		(274,926	)		10.48		(227,526	)		10.00
Outstanding - end of period		449,284		$	13.55		407,786		$	11.82		462,632		$	10.63
Restricted stock units - common:
Outstanding - beginning of period		-		$	-		209,500		$	15.70		-		$	-
Granted		398,000			18.21		-			-		215,500			15.70
Vested		-			-		(209,500	)		15.70		-			-
Forfeited		-			-		-			-		(6,000	)		15.70
Outstanding - end of period		398,000		$	18.21		-		$	-		209,500		$	15.70