Note 1 - Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Principal Transactions Revenue [Table Text Block]

	Year Ended December 31,
	2019			2018			2017
Trade revenue	$	8		$	3		$	2
Trade expense		(8	)		(3	)		(2	)
Net trade (loss) income	$	-		$	-		$	-

Property, Plant and Equipment [Table Text Block]

							Estimated
	December 31,						Useful Lives
	2019			2018			(in years)
Property and equipment:
Land	$	119		$	52
Buildings and improvements		291			166		7	to	40
Equipment		776			548		3	to	20
		1,186			766
Accumulated depreciation		(461	)		(403	)
Total property and equipment, net	$	725		$	363

Schedule of Disposal of Assets and Purchase of Property and Equipment [Table Text Block]

	Year ended December 31,
	2019			2018			2017
Gain (loss) on disposal of assets, net:
Proceeds from sale of assets	$	253		$	9		$	91
Proceeds from Repack		41			14			-
Net book value of assets disposed		(240	)		(6	)		(17	)
Total	$	54		$	17		$	74
Purchase of property and equipment:
Recurring purchases - operations	$	89		$	41		$	32
Repack		20			27			3
Repack related		1			2			-
Total	$	110		$	70		$	35

Schedule of Weighted Average Number of Shares [Table Text Block]

	Year Ended December 31,
	2019		2018		2017
Weighted-average shares outstanding, basic		99		88		73
Weighted-average shares underlying stock options and restricted shares		1		1		1
Weighted-average shares outstanding, diluted		100		89		74

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	December 31,
	2019			2018
Accumulated balances of items included in accumulated other comprehensive loss:
Increase in pension liability	$	(42	)	$	(35	)
Income tax benefit		(11	)		(14	)
Accumulated other comprehensive loss	$	(31	)	$	(21	)