XML 59 R43.htm IDEA: XBRL DOCUMENT v3.22.1
Balance Sheet Components (Schedule Of Accrued Expenses) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Balance Sheet Components [Abstract]    
Compensation expense $ 2,932 $ 3,324
Controlled launch (Note 8) 534  
Director and officer liability insurance (Note 12)   1,563
Clinical trial fees and costs 245 188
Professional fees 85 87
Warranty 80
Other 513 164
Accrued expenses $ 4,389 $ 5,326