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NOTE 9. STOCK REPURCHASE PROGRAM (Details) - USD ($)
12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Jan. 21, 2009
Details      
Stock Repurchase Program, Authorized Amount     $ 2,500,000
Stock Repurchased During Period, Shares 1,000 2,888  
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 3,520,369