Note 8 - Leases (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Lessee, Lease Assets and Liabilities [Table Text Block]

	March 31,		December 31,
	2022		2021
Assets:
Operating lease right-of-use assets	$	481	$	534
Liabilities:
Current operating lease liabilities	$	234	$	225
Noncurrent operating lease liabilities		265		327
	$	499	$	552

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

Year Ending December 31,
2022 (remaining nine months)	$	212
2023		287
2024		67
Total lease payments		566
Less: Amount representing interest		(67	)
Present value of lease liabilities	$	499

Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block]

Year Ending December 31,
2022 (remaining nine months)	$	456
2023		50
Total	$	506