Note 7 - Leases (Tables)

12 Months Ended

Mar. 31, 2021

Notes Tables

Lease, Cost [Table Text Block]

	Year Ended March 31
	2021			2020
Operating lease cost	$	158,439		$	154,565
Variable lease cost		109,449			96,798
Total	$	267,888		$	251,363
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows for leases	$	133,299		$	174,528
Remaining lease term (years)		5			6
Discount rate		3.5	%		3.5	%

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

Year Ending March 31	Operating Leases
2022		152,703
2023		156,121
2024		159,592
2025		163,224
2026		165,947
Total lease payments		797,587
Imputed lease interest		(65,855	)
Total lease liabilities	$	731,732