Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2016

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

Years Ended December 31, 2016, 2015, and 2014

			Additions (Reductions)
Description	Balance at Beginning of Period		Additions (Recovery) to Bad Debt Expense			Charged to Other Accounts		Deductions (1)			Balance at End of Period
	(in thousands)
December 31, 2016
Allowance for doubtful accounts	$	120	$	57		$	—	$	(89	)	$	88
December 31, 2015
Allowance for doubtful accounts	$	120	$	—		$	—	$	—		$	120
December 31, 2014
Allowance for doubtful accounts	$	206	$	(85	)	$	—	$	(1	)	$	120

(1) Deductions represent the actual write-off of accounts receivable balances.