Revenue Recognition (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue Recognition
Revenue Recognition	$ 3,717,455	$ 5,857,141	$ 10,416,226	$ 10,492,445
Products acquired from Eyston Company Ltd.
Revenue Recognition
Revenue Recognition	2,931,316	5,232,538	8,795,179	8,737,887
Sales of GFCI's and ventilation fans
Revenue Recognition
Revenue Recognition	$ 786,139	$ 624,603	$ 1,621,047	$ 1,754,558