Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Valuation and Qualifying Accounts Disclosure [Table Text Block]

			Additions
DESCRIPTION	Balance at Beginning of Year		Charged (Credited) to Costs and Expenses			Charged to Other Accounts		Deductions / (Recoveries)			Balance at End of Year
Year ended December 31, 2021
Allowance for credit losses	$	265	$	36		$	-		36	(1)	$	265
Deferred tax asset valuation allowance	$	2,269	$	82	(2)	$	-		-		$	2,351
Year ended December 31, 2020
Allowance for credit losses	$	275	$	40		$	-		50	(1)	$	265
Deferred tax asset valuation allowance	$	2,043	$	226	(2)	$	-		-		$	2,269
(1) Accounts receivable written-off as uncollectible, net of recoveries.
(2) Change in valuation allowance primarily for deferred tax assets when it is more likely than not that the deferred tax assets will not be realized.