Note 7 - Leases (Tables)

12 Months Ended

Mar. 31, 2022

Notes Tables

Lease, Cost [Table Text Block]

	Year Ended March 31
	2022			2021
Operating lease cost	$	170,062		$	158,439
Variable lease cost		120,606			109,449
Total	$	290,668		$	267,888
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows for leases	$	174,313		$	133,299
Remaining lease term (years)		4			5
Discount rate		3.5	%		3.5	%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Year Ending March 31	Operating Leases
2023		156,121
2024		159,592
2025		163,224
2026		165,947
Total lease payments		644,884
Imputed lease interest		(42,745	)
Total lease liabilities	$	602,139