Prepaid expenses and other current assets (Details) - Deferred Costs, Capitalized, Prepaid, and Other Assets - USD ($)	Jun. 30, 2023	Mar. 31, 2023
Deferred Costs Capitalized Prepaid And Other Assets Abstract
Prepaid expenses	$ 203,528	$ 148,929
Deferred charges	27,720	24,720
Other receivables	13,200	643,976
	$ 244,448	$ 817,625