XML 49 R40.htm IDEA: XBRL DOCUMENT v3.22.1
Note 8 - Marketable Securities - Balance of Held-to-maturity Debt Securities by Contractual Maturity (Details)
$ in Thousands
Mar. 31, 2022
USD ($)
Due in one year or less $ 19,914
Due after one year through five years 28,196
Total marketable securities $ 48,110