v3.25.1
Note 1 - Summary of Significant Accounting Policies (Details Textual)
$ in Millions
12 Months Ended
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Number of States in which Entity Operates 8    
Advertising Expense $ 3.5 $ 2.7 $ 2.2
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Top Ten Customers [Member]      
Concentration Risk, Percentage 53.00% 52.00%  
Other Assets [Member]      
Debt Issuance Costs, Net $ 1.7    
Current and Non-Current Portion of Long Term Debt [Member]      
Debt Issuance Costs, Net $ 0.7    
Seneca Food Plants [Member]      
Number of Real Estate Properties 26