Note 11 - Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Net Funded Status [Table Text Block]

	December 31,
	2020			2019
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	135		$	117
Interest cost		4			5
Actuarial loss		16			17
Benefits paid		(4	)		(4	)
Projected benefit obligation at end of year	$	151		$	135
Change in plan assets:
Fair value of pension plan assets at beginning of year	$	97		$	84
Actual return on plan assets		12			14
Company contributions		3			3
Benefits paid		(4	)		(4	)
Fair value of pension plan assets at end of year		108			97
Funded status of pension plan	$	(43	)	$	(38	)
Amounts recognized on our balance sheets consist of:
Accrued benefit cost	$	10		$	5
Accumulated other comprehensive loss		(53	)		(43	)
Net liability recognized	$	(43	)	$	(38	)

Defined Benefit Plan, Assumptions [Table Text Block]

	Year Ended December 31,
	2020			2019
Weighted-average assumptions used to determine net periodic benefit cost for the Gray Pension Plan:
Discount rate		3.14	%		4.16	%
Expected long-term rate of return on pension plan assets		6.50	%		6.50	%
Estimated rate of increase in compensation levels		N/A			N/A

	As of December 31,
	2020			2019
Weighted-average assumptions used to determine benefit obligations:
Discount rate		2.38	%		3.14	%

Schedule of Net Benefit Costs [Table Text Block]

	Year Ended December 31,
	2020			2019			2018
Components of net periodic pension cost:
Interest cost	$	4		$	5		$	5
Expected return on plan assets		(6	)		(5	)		(6	)
Recognized net actuarial loss		1			-			-
Net periodic pension benefit	$	(1	)	$	-		$	(1	)

Schedule of Expected Benefit Payments [Table Text Block]

Years			Amount
2021			$	4
2022				4
2023				5
2024				5
2025				5
2026	-	2030		31

Schedule of Allocation of Plan Assets by Asset Category [Table Text Block]

	As of December 31,
	2020			2019
Asset category:
Insurance general account		15	%		17	%
Cash management accounts		3	%		2	%
Equity accounts		48	%		47	%
Fixed income accounts		32	%		32	%
Real estate accounts		2	%		2	%
Total		100	%		100	%

Schedule of Allocation of Plan Assets [Table Text Block]

	Target Range
Asset class:	Strategic Allocation			Lower Limit			Upper Limit
Equities:
Large cap value		5	%		0	%		50	%
Large cap blend		5	%		0	%		50	%
Large cap growth		5	%		0	%		50	%
Mid cap blend		15	%		0	%		40	%
Small cap core		5	%		0	%		25	%
Foreign large blend		10	%		0	%		40	%
Emerging markets		10	%		0	%		25	%
Real estate		5	%		0	%		20	%
Fixed Income:
U.S. Treasury inflation protected		5	%		0	%		25	%
Intermediate term bond		10	%		0	%		50	%
Long term government bond		5	%		0	%		40	%
High yield bond		10	%		0	%		25	%
Emerging markets bond		10	%		0	%		20	%
Money market taxable		0	%		0	%		100	%

Defined Benefit Plan, Fair Value of Plan Assets [Table Text Block]

	As of December 31, 2020
	Level 1		Level 2		Level 3		Total
Assets:
Insurance general account	$	-	$	16	$	-	$	16
Cash management accounts		3		-		-		3
Equity accounts		52		-		-		52
Fixed income accounts		35		-		-		35
Real estate accounts		2		-		-		2
Total	$	92	$	16	$	-	$	108

	As of December 31, 2019
	Level 1		Level 2		Level 3		Total
Assets:
Insurance general account	$	-	$	16	$	-	$	16
Cash management accounts		2		-		-		2
Equity accounts		46		-		-		46
Fixed income account		31		-		-		31
Real estate accounts		2		-		-		2
Total	$	81	$	16	$	-	$	97