Equity (Tables)

3 Months Ended

Mar. 31, 2019

Equity

Schedule of Stockholders' Equity

												Accumulated
								Additional				Other
	Common Stock			Treasury Stock				Paid-in		Accumulated		Comprehensive
	Shares	Amount		Shares		Amount		Capital		Deficit		Income		Total
	(in thousands)
Balance at December 31, 2018	48,547	$	485		523	$	(5,872)	$	1,061,325	$	(619,983)	$	1,820	$	437,775
Net loss	—		—		—		—		—		(18,530)		—		(18,530)
Other comprehensive income, net of tax	—		—		—		—		—		—		38		38
Share-based compensation expense	—		—		—		—		3,157		—		—		3,157
Net issuance under employee stock plans	128		2		(523)		5,872		(6,303)		(213)		—		(642)
Balance at March 31, 2019	48,675	$	487		—	$	—	$	1,058,179	$	(638,726)	$	1,858	$	421,798

												Accumulated
								Additional				Other
	Common Stock			Treasury Stock				Paid-in		Accumulated		Comprehensive
	Shares	Amount		Shares		Amount		Capital		Deficit		Income		Total
	(in thousands)
Balance at December 31, 2017	48,229	$	482		85	$	(1,284)	$	1,051,953	$	(212,870)	$	1,812	$	840,093
Net loss	—		—		—		—		—		(15,827)		—		(15,827)
Other comprehensive income, net of tax	—		—		—		—		—		—		24		24
Share-based compensation expense	—		—		—		—		4,537		—		—		4,537
Net issuance under employee stock plans	462		5		(115)		1,728		(2,159)		—		—		(426)
Purchases of common stock	—		—		30		(444)		—		—		—		(444)
Balance at March 31, 2018	48,691	$	487		—	$	—	$	1,054,331	$	(228,697)	$	1,836	$	827,957

Schedule of the changes in the balances of each component of AOCI, net of tax

			Unrealized
			Gains (Losses)
	Foreign		on Available
	Currency		for Sale
	Translation		Securities		Total
	(in thousands)
Balance - December 31, 2018	$	1,836	$	(16)	$	1,820
Other comprehensive income (loss)		11		27		38
Balance - March 31, 2019	$	1,847	$	11	$	1,858