Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2017

Valuation And Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

Schedule II - Valuation and Qualifying Accounts

Years ended December 31, 2017, 2016, and 2015

(In Thousands)

Description (1)	Balance at Beginning of Year		Additions- Charges to (Recovery of) Costs and Expenses			Deductions- Write- offs/Costs Incurred		Balance at End of Year
Accounts receivable - allowance for doubtful accounts:
2017	$	357	$	(54	)	$	—	$	303
2016	$	525	$	80		$	248	$	357
2015	$	684	$	224		$	383	$	525
Supplies-reserve for slow-moving items:
2017	$	15	$	—		$	—	$	15
2016	$	928	$	—		$	913	$	15
2015	$	928	$	—		$	—	$	928
Notes receivable - allowance for doubtful accounts:
2017	$	—	$	—		$	—	$	—
2016	$	970	$	—		$	970	$	—
2015	$	970	$	—		$	—	$	970
Deferred tax assets - valuation allowance:
2017	$	13,128	$	13,792		$	—	$	26,920
2016	$	1,242	$	11,886		$	—	$	13,128
2015	$	292	$	950		$	—	$	1,242

(1) Deducted in the consolidated balance sheet from the related assets to which the reserve applies.

Other valuation and qualifying accounts are detailed in our notes to consolidated financial statements.