Receivables (Tables)

3 Months Ended

Mar. 31, 2020

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Receivables consisted of the following:

	March 31, 2020			December 31, 2019
Trade receivables	$	135		$	111
Income tax receivable	19			35
Other receivables	19			19
Allowance for doubtful accounts	(1		)	(1		)
Total	$	172		$	164