Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2016

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)		(b)			Period
Year Ended December 31, 2016:
Allowance for doubtful accounts	$	1,794	$	1,917	$	167	$	(715	)	$	3,163
Valuation allowance for deferred tax assets	$	1,683	$	-	$	-	$	(151	)	$	1,532
Year Ended December 31, 2015:
Allowance for doubtful accounts	$	1,667	$	606	$	-	$	(479	)	$	1,794
Valuation allowance for deferred tax assets	$	2,052	$	-	$	-	$	(369	)	$	1,683
Year Ended December 31, 2014:
Allowance for doubtful accounts	$	730	$	1,356	$	290	$	(709	)	$	1,667
Valuation allowance for deferred tax assets	$	2,748	$	3	$	-	$	(699	)	$	2,052