v3.26.1
Note 2 - Significant Accounting Policies (Details Textual) - USD ($)
$ / shares in Thousands
12 Months Ended
Sep. 07, 2021
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2022
Cash and Cash Equivalent   $ 255,730 $ 382,969  
Accounts Receivable, Allowance for Credit Loss   1,216,562 1,216,562  
Contract With Customer, Liability, Revenue Recognized During Period   159,000 137,000  
Advertising Expense   11,949 10,609  
Shipping and Handling Costs   $ 10,013 $ 9,400  
Earnings Per Share, Basic   $ (0) $ (0)  
Earnings Per Share, Diluted (in dollars per share)   $ 0 $ 0  
Notes Payable, Current   $ 0 $ 896  
Retained Earnings (Accumulated Deficit)   (33,070,594) (32,970,220)  
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation   (124,059) 9,978  
Paycheck Protection Program CARES Act [Member]        
Gain (Loss) on Extinguishment of Debt $ 361,275     $ 693,817
Notes Payable, Current   $ 0 $ 896  
Income Tax Jurisdiction, Domestic Federal [Member]        
Open Tax Year   2023 2024 2025 2026    
Income Tax Jurisdiction, Domestic State and Local [Member] | New Jersey Division of Taxation [Member]        
Open Tax Year   2022 2023 2024 2025 2026    
Minimum [Member]        
Property, Plant, and Equipment, Useful Life   5 years    
Maximum [Member]        
Property, Plant, and Equipment, Useful Life   7 years