Note 10 - Segment Information

12 Months Ended

Mar. 31, 2020

Notes to Financial Statements

Segment Reporting Disclosure [Text Block]

NOTE

10

- SEGMENT INFORMATION

Information about segments is as follows: 

	Chemical			Electronics			Engineering		Total
Year ended March 31, 2020
Revenue from external customers	$	1,368,365		$	1,400,918		$	716,709	$	3,485,992
Segment operating income (loss)	$	58,477		$	(147,023	)	$	45,157	$	(43,389	)
Year ended March 31, 2019
Revenue from external customers	$	1,318,814		$	730,634		$	969,506	$	3,018,954
Segment operating income (loss)	$	(81,849	)	$	(403,099	)	$	110,228	$	(374,720	)
Total assets at March 31, 2020	$	5,053,89		$	1,970,705		$	1,061,149	$	5,053,089
Total assets at March 31, 2019	$	1,985,501		$	1,099,983		$	1,459,608	$	4,545,092