Note 3 - Long-Term Debt Financing (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

Year ending December 31,	Principal
2023 (excluding the three-months ended March 31, 2023)	$	915,000
2024		2,094,000
2025		2,469,000
2026		7,294,000
2027		164,000
	$	12,936,000