Note 5 - Property and Equipment

6 Months Ended

Jun. 30, 2022

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

5.     Property and Equipment

Property and equipment consist of the following (in thousands):

	June 30, 2022			December 31, 2021
Equipment	$	5,027		$	5,351
Leasehold improvements		1,607			1,531
Software		365			365
Furniture and fixtures		22			22
Total property and equipment–at cost		7,021			7,269
Less: Accumulated depreciation		(5,171	)		(5,026	)
Property and equipment, net	$	1,850		$	2,243

Depreciation expense for the six months ended June 30, 2022 and 2021 was $0.4 million and $0.3 million, respectively.