XML 27 R18.htm IDEA: XBRL DOCUMENT v3.22.0.1
Note 3 - Cash, Cash Equivalents, and Investments (Tables)
3 Months Ended
Dec. 31, 2021
Notes Tables  
Investments Classified by Contractual Maturity Date [Table Text Block]

(In thousands)

 

December 31, 2021

  

September 30, 2021

 

Less than one year

 $10,373  $10,374 

1-5 years

  35,192   36,913 

Total

 $45,565  $47,287