Note 8 - Leases (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Lessee, Operating Lease Assets and Liabilities [Table Text Block]

	September 30,		December 31,
	2021		2020
Operating lease right-of-use assets	$	1,354	$	1,728
Current portion of obligations under operating leases	$	540	$	529
Long-term portion of obligations under operating leases		814		1,199
Total obligations under operating leases	$	1,354	$	1,728

	September 30,			December 31,
	2021			2020
Leased property under finance leases	$	12,434		$	12,112
Less accumulated amortization		(6,790	)		(6,377	)
Leased property under finance leases, net	$	5,644		$	5,735
Current portion of obligations under finance leases	$	178		$	333
Long-term portion of obligations under finance leases		444			560
Total obligations under finance leases	$	622		$	893

Lease, Cost [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Operating lease cost:
Rental expense	$	279	$	235	$	571	$	520
Finance lease cost:
Depreciation expense	$	133	$	148	$	413	$	416
Interest expense		9		9		33		30
Total finance lease cost	$	142	$	157	$	446	$	446

Lease, Liability, Maturity [Table Text Block]

	Finance		Operating		Total
2022	$	206	$	591	$	797
2023		132		427		559
2024		107		254		361
2025		55		159		214
2026		15		26		41
Thereafter		405		-		405
Total lease payments		920		1,457		2,377
Less: imputed interest		298		103		401
Total		622		1,354		1,976
Less: current portion of obligations under leases		178		540		718
Long-term portion of obligations under leases	$	444	$	814	$	1,258