Supplemental disclosure of non-cash financing activities: (Details) - USD ($)		3 Months Ended		9 Months Ended
	Apr. 01, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 508,551
Gain (Loss) on Extinguishment of Debt		$ 722,577	$ 0	$ 722,577	$ 0