Note 3 - Long-Term Debt Financing (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Maturities of Long-Term Debt [Table Text Block]

Year ending December 31,	Principal
2022 (excluding the six-months ended June 30, 2022)	$	861,000
2023		1,719,000
2024		2,094,000
2025		2,469,000
2026		8,094,000
Thereafter		164,000
	$	15,401,000