Note 8 - Related Party Lease (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Lease, Cost [Table Text Block]

	2023			2022
Right-of-use operating lease assets, net	$	122,000		$	372,000
Current lease liability (included in other current liabilities)		131,000			267,000
Non-current lease liability		-			131,000
Weighted average remaining lease term		0.4			1.4
Discount rate		22	%		22	%

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

Total lease payments for 2024	$	139,000
Less: imputed interest		(8,000	)
Present value of operating lease liabilities	$	131,000

Lease Agreement with Z3 Investment LLC [Member]

Notes Tables

Lease, Cost [Table Text Block]

	2023			2022
Right-of-use operating lease assets – related party, net	$	3,088,000		$	3,550,000
Current lease liability (included in other current liabilities)		595,000			433,000
Non-current lease liability – related party		2,900,000			3,495,000
Weighted average remaining lease term		3.8			4.8
Discount rate		22	%		22	%

Lease Agreement with Z3 Investment LLC [Member]

Notes Tables

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

2024	$	1,307,000
2025		1,359,000
2026		1,428,000
2027		1,133,000
Total lease payments	$	5,227,000
Less: imputed interest		(1,732,000	)
Present value of operating lease liabilities	$	3,495,000