XML 23 R13.htm IDEA: XBRL DOCUMENT v3.23.1
Note 6 - Accrued Expenses and Other Current Liabilities
3 Months Ended
Mar. 31, 2023
Notes to Financial Statements  
Accrued Liabilities and Other Current Liabilities Disclosure [Text Block]

(6)

Accrued Expenses and Other Current Liabilities

 

Accrued expenses and other current liabilities consisted of the following (in thousands):

 

   

March 31,

   

December 31,

 
   

2023

   

2022

 

Accrued expenses

  $ 38     $ 157  

Accrued salaries and employee benefits

    1,100       899  

Accrued clinical trial costs

    693       548  

Grant liability

    518       534  

Customer deposits

    90       90  

Payable to related party

    33       18  

Total

  $ 2,472     $ 2,246