Note 4 - Fair Value Measurements (Details Textual) $ in Thousands |
6 Months Ended | |||
---|---|---|---|---|
Sep. 30, 2023
USD ($)
|
Mar. 31, 2023
USD ($)
|
Nov. 17, 2022
USD ($)
|
Aug. 12, 2019 |
|
Belyntic Acquisition [Member] | Other Long-term Liabilities [Member] | ||||
Business Combination, Contingent Consideration, Liability, Noncurrent | $ 1,180 | $ 1,500 | ||
Senior Notes [Member] | The Notes [Member] | ||||
Long-term Debt, Gross | $ 172,500 | $ 172,500 | ||
Debt Instrument, Interest Rate, Stated Percentage | 1.375% | 1.375% | ||
Accounts Receivable [Member] | Customer Concentration Risk [Member] | ||||
Number of Major Customers | 0 |