Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2017

The Company included the following amounts for stock-based compensation expense, which related to stock options, restricted stock units ("RSUs"), and the Company’s employee stock purchase plan ("ESPP"), in the consolidated statements of comprehensive income (in thousands):



	Three months ended June 30,				Six months ended June 30,
	2017		2016		2017		2016
Cost of revenue	$	88	$	23	$	134	$	65
Engineering and technology	224		322		509		733
Sales and marketing	581		426		1,272		1,027
General and administrative	1,844		2,252		3,387		5,427
Restructuring	538		—		981		—
Total in continuing operations	3,275		3,023		6,283		7,252
Discontinued operations	—		1,170		—		2,741
Total	$	3,275	$	4,193	$	6,283	$	9,993

Shares Issued under Share Based Compensation

Total net shares issued for stock options exercised, RSUs vested, and shares purchased pursuant to the ESPP were as follows (in thousands):



	Three months ended June 30,		Six months ended June 30,
	2017	2016	2017	2016
Stock options exercised	1,841	15	2,408	140
RSUs vested	204	235	351	324
Shares purchased pursuant to ESPP	—	—	76	77
Total	2,045	250	2,835	541