XML 40 R29.htm IDEA: XBRL DOCUMENT

Equity (Tables)

6 Months Ended

Jun. 30, 2019

Summary of Changes in Shareholders' Equity

The changes in shareholder’s equity for the three and six months ended June 30, 2019 are as follows:


						Additional						Total
	Common Stock					Paid- In			Accumulated			Shareholders’
	Shares			Amount		Capital			Deficit			Equity (Deficit)
Balance, December 31, 2018	33,265,629		$	33		$	428,729		$	(337,177)		$	91,585
Exercise of common stock options	18,693			—			246			—			246
Issuance for employee stock purchase plan	32,826			—			444			—			444
Vesting of restricted stock units ("RSUs")	101,483			—			—			—			—
Shares withheld for employee taxes upon vesting of RSUs	(33,503)			—			(488)			—			(488)
Stock-based compensation	—			—			4,263			—			4,263
Net loss	—			—			—			(9,700)			(9,700)
Balance, March 31, 2019	33,385,128		$	33		$	433,194		$	(346,877)		$	86,350
Exercise of common stock options	8,218			—			58			—			58
Vesting of RSUs	26,304			—			—			—			—
Shares withheld for employee taxes upon vesting of RSUs	(3,097)			—			(35)			—			(35)
Stock-based compensation	—			—			4,162			—			4,162
Net loss	—			—			—			(4,712)			(4,712)
Balance, June 30, 2019	33,416,553		$	33		$	437,379		$	(351,589)		$	85,823

The changes in shareholder’s equity for the three and six months ended June 30, 2018 ended were as follows:


						Additional						Total
	Common Stock					Paid- In			Accumulated			Shareholders’
	Shares			Amount		Capital			Deficit			Equity (Deficit)
Balance, December 31, 2017	32,770,678		$	33		$	402,096		$	(298,049)		$	104,080
Exercise of common stock options	183,987			—			2,373			—			2,373
Issuance for employee stock purchase plan	50,151			—			510			—			510
Vesting of RSUs	32,573			—			—			—			—
Shares withheld for employee taxes upon vesting of RSUs	(9,810)			—			(216)			—			(216)
Stock-based compensation	—			—			2,728			—			2,728
Net loss	—			—			—			(18,652)			(18,652)
Balance, March 31, 2018	33,027,579		$	33		$	407,491		$	(316,701)		$	90,823
Exercise of common stock options	137,419			—			1,532			—			1,532
Vesting of RSUs	20,887			—			—			—			—
Shares withheld for employee taxes upon vesting of RSUs	(6,205)			—			(140)			—			(140)
Stock-based compensation	—			—			3,526			—			3,526
Net loss	—			—			—			(13,060)			(13,060)
Balance, June 30, 2018	33,179,680		$	33		$	412,409		$	(329,761)		$	82,681