SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS

Description:	Balance at Beginning of Year		Charged to Costs and Expenses		Deductions			Balance at End of Year
	(in thousands)
Year ended December 31, 2017
Deducted from asset accounts:
Allowance for doubtful accounts	$	632	$	—	$	—		$	632
Allowance for sales returns and adjustments	—		—		—			—
Income tax valuation allowance	55,827		—		(24,179		)	31,648
Total	$	56,459	$	—	$	(24,179	)	$	32,280
Year ended December 31, 2016
Deducted from asset accounts:
Allowance for doubtful accounts	$	621	$	11	$	—		$	632
Allowance for sales returns and adjustments	—				—			—
Income tax valuation allowance	28,999		26,828		—			55,827
Total	$	29,620	$	26,839	$	—		$	56,459
Year ended December 31, 2015
Deducted from asset accounts:
Allowance for doubtful accounts	$	672	$	—	$	(51	)	$	621
Allowance for sales returns and adjustments	—				—			—
Income tax valuation allowance	46,220		—		(17,221		)	28,999
Total	$	46,892	$	—	$	(17,272	)	$	29,620