• Filing Date: 2017-11-20
  • Form Type: 10-Q
  • Description: Quarterly report
v3.8.0.1
Note 5 - Segment Information - Summary of Segment Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Mar. 31, 2017
Revenues $ 1,069,706 $ 1,380,338 $ 2,216,061 $ 2,757,769  
Segment operating income 211,358 428,463 379,349 949,507  
Total assets 4,685,475   4,685,475   $ 4,520,649
Chemical [Member]          
Revenues 310,757 363,364 619,112 654,848  
Segment operating income 21,105 102,390 86,555 101,215  
Total assets 1,309,003   1,309,003   1,110,111
Electronics [Member]          
Revenues 343,165 370,450 836,757 937,073  
Segment operating income 74,333 98,384 116,981 378,958  
Total assets 1,769,178   1,769,178   1,553,484
Engineering [Member]          
Revenues 415,784 646,524 760,192 1,165,848  
Segment operating income 115,920 $ 227,689 175,813 $ 469,334  
Total assets $ 1,607,294   $ 1,607,294   $ 1,857,054