• Filing Date: 2018-02-14
  • Form Type: 10-Q
  • Description: Quarterly report
v3.8.0.1
Note 5 - Segment Information - Summary of Segment Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Mar. 31, 2017
Revenues $ 1,021,042 $ 1,156,512 $ 3,237,103 $ 3,914,281  
Segment operating income (loss) 15,653 (39,910) 395,002 909,597  
Total assets 4,473,850   4,473,850   $ 4,520,649
Chemical [Member]          
Revenues 432,803 288,083 1,051,914 942,931  
Segment operating income (loss) 25,646 27,225 88,622 128,440  
Total assets 1,453,802   1,453,802   1,110,111
Electronics [Member]          
Revenues 123,685 410,784 960,442 1,347,857  
Segment operating income (loss) 22,111 (9,544) 95,172 369,414  
Total assets 1,327,382   1,327,382   1,553,484
Engineering [Member]          
Revenues 464,554 457,645 1,224,747 1,623,493  
Segment operating income (loss) (32,104) $ (57,591) 211,208 $ 411,743  
Total assets $ 1,692,666   $ 1,692,666   $ 1,857,054