Note 6 - Leases (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Lease, Cost [Table Text Block]

	2021		2020
Components of lease costs:
Operating lease costs	$	450	$	431
Short-term lease costs		322		336
Finance lease costs		140		144
Total lease costs	$	912	$	911

Schedule of Lessee, Leases, Weighted Average Remaining Term and Discount Rate [Table Text Block]

	December 31, 2021			December 31, 2020
Weighted average remaining lease term (years):
Operating leases		1.8			2.1
Finance leases		2.3			3.3
Weighted average discount rate:
Operating leases		3.25	%		3.25	%
Finance leases		3.25	%		3.25	%

Schedule of Components of Lease Assets and Liabilities [Table Text Block]

	December 31, 2021
	Operating Leases		Financing Leases		Total Leases
Other assets - right-of-use assets	$	840	$	300	$	1,140
Lease liabilities included in:
Accrued expenses - current portion of lease liabilities	$	450	$	130	$	580
Other long-term liabilities - non-current portion of lease liabilities		380		180		560
Total lease liabilities	$	830	$	310	$	1,140

	December 31, 2020
	Operating Leases		Financing Leases		Total Leases
Other assets - right-of-use assets	$	1,250	$	420	$	1,670
Lease liabilities included in:
Accrued expenses - current portion of lease liabilities	$	580	$	130	$	710
Other long-term liabilities - non-current portion of lease liabilities		650		310		960
Total lease liabilities	$	1,230	$	440	$	1,670

Lessee, Lease Liability, Maturity [Table Text Block]

	December 31, 2021
2022	$	607
2023		422
2024		123
2025		25
2026		1
Thereafter		9
Total lease payments	$	1,187
Less: Interest		(47	)
Present value of lease liabilities	$	1,140

	December 31, 2020
2021	$	752
2022		547
2023		348
2024		86
2025		11
Thereafter		6
Total lease payments	$	1,750
Less: Interest		(80	)
Present value of lease liabilities	$	1,670