Note 9 - Leases (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Lease, Cost [Table Text Block]

	December 31, 2021			December 31, 2020
Right-of-use operating lease assets, net	$	571,000		$	730,000
Current lease liability (included in other current liabilities)		206,000			157,000
Non-current lease liability		398,000			604,000
Weighted average remaining lease term		2.4			3.4
Discount rate		22	%		22	%

	December 31,
	2021		2020
Operating lease cost	$	311,000	$	311,000
Variable lease cost		105,000		139,000
Total lease cost	$	416,000	$	450,000

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

2022		319,000
2023		328,000
2024		139,000
Total lease payments	$	786,000
Less: imputed interest		(182,000	)
Present value of operating lease liabilities	$	604,000