Note 4 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Lessee, Operating Lease, Disclosure [Table Text Block]

Years Ended December 31,	Minimum Payments
2019	$	254,000
2020	$	332,000
2021	$	338,000
2022	$	344,000
Thereafter	$	2,252,000
Total	$	3,520,000