Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property And Equipment [Abstract]

Components Of Property And Equipment

	December 31,
(in thousands)		2018		2017
Machinery and equipment	$	1,367	$	1,400
Demonstration equipment		39		39
Computer equipment and software		1,109		1,055
Furniture and fixtures		137		120
Leasehold improvements		706		706
Gross property and equipment		3,358		3,320
Accumulated depreciation and amortization		(2,750)		(2,139)
Property and equipment, net	$	608	$	1,181