Summary of Accounting Policies - Schedule of Disaggregation of Revenue (Details) - USD ($)	1 Months Ended	12 Months Ended
	Aug. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Total Net Sales	$ 1,600,000	$ 41,418,304	$ 46,482,998
Classic Karaoke Machines [Member]
Total Net Sales		29,200,000	25,100,000
Download Karaoke Machines [Member]
Total Net Sales		5,800,000	13,000,000
SMC Kids Toys [Member]
Total Net Sales		1,000,000	4,200,000
Licensed Product [Member]
Total Net Sales		2,100,000
Music and Accessories [Member]
Total Net Sales		$ 3,300,000	$ 4,200,000