Note 4 - Leases (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

(Dollars in Thousands)	December 31, 2022
Maturity of capitalized lease liabilities	Lease payments
2023		162
2024		165
2025		165
2026		28
Total undiscounted operating lease payments	$	520
Less: Imputed interest		(54	)
Present value of operating lease liability	$	466

Lease, Cost [Table Text Block]

Balance Sheet Classification
Current lease liability	$	157
Long-term lease liability		309
Total operating lease liability	$	466
Other Information
Weighted-average remaining lease term for capitalized operating leases (in months)		38
Weighted-average discount rate for capitalized operating leases		6.6	%