Other Current Assets and Accrued Expenses (Details 1) - USD ($)	Sep. 30, 2023	Mar. 31, 2022
Other Current Assets and Accrued Expenses
Carrier service costs	$ 7,845,150	$ 8,402,770
Salaries and payroll taxes	1,665,088	1,637,628
Inventory purchases, consultants and other costs	1,004,362	1,205,209
Severance costs	7,612	7,612
U.S. income tax payable	46,720	61,490
Foreign income tax payable	55,900	12,560
Accrued expenses	$ 10,624,832	$ 11,327,269