Property and Equipment

6 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

2. Property and Equipment

Property and equipment are stated at cost less accumulated depreciation and amortization (in thousands), and consist of the following:

	June 30,			December 31,
	2018			2017
Equipment	$	13,639		$	13,574
Software		8,101			7,291
Furniture and equipment		2,246			2,276
Leasehold improvements		5,319			5,342
Total		29,305			28,483
Less: accumulated depreciation and amortization		(22,253	)		(21,294	)
	$	7,052		$	7,189

Depreciation and amortization expense of property and equipment was approximately $0.5 million and $0.6 million for the three months ended June 30, 2018 and 2017, respectively. Depreciation and amortization expense of property and equipment was approximately $1.1 million and $1.2 million for the six months ended June 30, 2018 and 2017, respectively.