Note 6 - Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

(in thousands)	December 31,			December 31,
	2019			2018
Office and laboratory equipment	$	20		$	24
Furniture and fixtures		157			157
Computer equipment and software		349			385
Production equipment		65			65
Leasehold improvements		79			79
Total property and equipment, at cost		670			710
Less: accumulated depreciation and amortization		(560	)		(509	)
Total property and equipment, net	$	110		$	201