Note 8 - Commitments and Contingencies (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2020

Dec. 31, 2019

Notes Tables

Lease, Cost [Table Text Block]

	2020		2019
Operating lease cost	$	91,100	$	141,300
Variable lease cost		–		23,200
Sublease income		–		(86,100	)
Total net lease cost	$	91,100	$	78,400

Operating lease cost	$171,000
Variable lease cost	23,200
Sublease income	(86,100)
Total net lease cost	$108,100

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

Future undiscounted cash flows:
2020	*	$	12,200
2021			55,900
2022			57,600
2023			59,400
2024			14,000
Total			199,100
Discount factor			(39,700	)
Lease liability			159,400
Less current liability			(37,100	)
Non-current lease liability		$	122,300

Future undiscounted cash flows:
2020	$	53,503
2021		54,539
2022		56,190
2023		58,027
2024		13,650
Total		235,909
Discount factor		(54,997	)
Lease liability		180,912
Less current liability		(32,369	)
Non-current lease liability	$	148,543