Property and equipment

12 Months Ended

Dec. 31, 2017

Property and Equipment [Abstract]

Property, Plant and Equipment Disclosure

PROPERTY AND EQUIPMENT, NET

Property and equipment, net consists of the following:

	Year Ended December 31,
	2017			2016
Land	$	2,114		$	2,114
Building and building improvements	5,695			5,502
Computer hardware and software	18,985			14,699
Office furniture and equipment	3,413			2,652
Total, at cost	30,207			24,967
Less: accumulated depreciation and amortization	(12,916		)	(7,107		)
Property and equipment, net	$	17,291		$	17,860

Depreciation and amortization expense under property and equipment was $5,806,000, $2,424,000 and $1,803,000, respectively, for the years ended December 31, 2017, 2016 and 2015. During the year ended December 31, 2017, we incurred non-cash capitalized software impairment charges as a result of our decision to discontinue one of our software development projects.