Note 5 - Accrued Expenses

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Accrued Liabilities [Text Block]

5.         Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	December 31,
	2021		2020
Clinical trial and related expenses	$	992	$	186
Incentive compensation		434		497
Professional services		235		98
Other		359		30
Total accrued liabilities	$	2,020	$	811