v3.25.4
Note 6 - Disaggregated Revenues and Segment Information - Net Revenue, Classified by Geography (Details) - USD ($)
 3 Months Ended 9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Revenue from Contract with Customer, Including Assessed Tax $ 803,088 $ 749,510 $ 2,664,261 $ 2,447,391
UNITED STATES        
Revenue from Contract with Customer, Including Assessed Tax 696,555 680,708 2,278,291 2,164,407
UNITED STATES | Chemical [Member]        
Revenue from Contract with Customer, Including Assessed Tax 190,698 213,449 556,229 614,661
UNITED STATES | Electronics [Member]        
Revenue from Contract with Customer, Including Assessed Tax 447,992 351,532 1,444,737 1,109,107
UNITED STATES | Engineering [Member]        
Revenue from Contract with Customer, Including Assessed Tax 57,865 115,727 277,325 440,639
Non-US [Member]        
Revenue from Contract with Customer, Including Assessed Tax 106,533 68,802 385,970 282,984
Non-US [Member] | Chemical [Member]        
Revenue from Contract with Customer, Including Assessed Tax 106,533 68,802 385,970 282,984
Non-US [Member] | Electronics [Member]        
Revenue from Contract with Customer, Including Assessed Tax 0 0 0 0
Non-US [Member] | Engineering [Member]        
Revenue from Contract with Customer, Including Assessed Tax $ 0 $ 0 $ 0 $ 0