Note 5 - Property and Equipment

3 Months Ended

Mar. 31, 2023

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

5. Property and Equipment

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

	March 31, 2023			December 31, 2022
Equipment	$	5,137		$	5,137
Leasehold improvements		1,612			1,612
Software		364			364
Furniture and fixtures		22			22
Total property and equipment–at cost		7,135			7,135
Less: Accumulated depreciation		(5,762	)		(5,568	)
Property and equipment, net	$	1,373		$	1,567

Depreciation expense for each of three months ended March 31, 2023 and 2022 was $0.2 million.