Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Summary of Valuation Allowance [Table Text Block]

Col. A	Col. B		Col. C					Col. D			Col. E
			Additions
			(1)			(2)
	Balance at		Charged to			Charged to					Balance at
	Beginning		Costs and			Other		Deductions			End of
Description	of Period		Expenses			Accounts		(a)			Period
Year Ended December 31, 2019:
Allowance for doubtful accounts	$	5	$	11		$	-	$	(5	)	$	11
Valuation allowance for deferred tax assets	$	-	$	14		$	-	$	-		$	14
Year Ended December 31, 2018:
Allowance for doubtful accounts	$	5	$	2		$	-	$	(2	)	$	5
Valuation allowance for deferred tax assets	$	-	$	-		$	-	$	-		$	-
Year Ended December 31, 2017:
Allowance for doubtful accounts	$	3	$	3		$	-	$	(1	)	$	5
Valuation allowance for deferred tax assets	$	1	$	(1	)	$	-	$	-		$	-