Capital Stock (Tables)

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Schedule of Stockholders Equity

Unaudited consolidated statements of stockholders' equity as of September 30, 2018 and 2017 are as follows (in thousands):

	Common Stock				Additional paid-in Capital			Accumulated Other Comprehensive Income (Loss)			Accumulated Deficit			Total Stockholders' Equity
	Shares		Amount
Balance at December 31, 2016	41,255		$	4	$	311,164		$	—		$	(292,069	)	$	19,099
Exercise of stock options	64		—		175			—			—			175
Release of stock awards	1,096		—		—			—			—			—
Employee stock-based compensation	—		—		5,212			—			—			5,212
Net shares settlements for taxes	(397	)	—		(1,670		)	—			—			(1,670		)
Issuance of common stock, net of issuance costs of $553	6,325		1		23,229			—			—			23,230
Total comprehensive loss	—		—		—			13			(23,966		)	(23,953		)
Balance at September 30, 2017	48,343		$	5	$	338,110		$	13		$	(316,035	)	$	22,093
Balance at December 31, 2017	48,365		$	5	$	340,079		$	(472	)	$	(315,065	)	$	24,547
Exercise of stock options	730		—		4,319			—			—			4,319
Release of stock awards	824		—		—			—			—			—
Employee stock-based compensation	—		—		6,183			—			—			6,183
Non-employee stock-based compensation	—		—		24			—			—			24
Net shares settlements for taxes	(297	)	—		(3,140		)	—			—			(3,140		)
Issuance of common stock, net of issuance costs of $180	4,313		—		37,317			—			—			37,317
ASC 606 Adjustments	—		—		—			—			(4,060		)	(4,060		)
ASU 2016-01 Adjustments	—		—		—			472			(472		)	—
Net loss	—		—		—			—			(10,417		)	(10,417		)
Balance at September 30, 2018	53,935		$	5	$	384,782		$	—		$	(330,014	)	$	54,773