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Note 6 - Leases (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Lease, Cost [Table Text Block]

		2020				2019
Components of lease costs:
Operating lease costs		$	431			$	370
Short-term lease costs			336				527
Finance lease costs			144				98
Total lease costs		$	911			$	995

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

		December 31, 2020				December 31, 2019
Weighted average remaining lease term (years):
Operating leases			2.1				2.9
Finance leases			3.3				4.3
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, 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

		December 31, 2019
		Operating Leases				Financing Leases				Total Leases

Other assets - right-of-use assets		$	1,260			$	550			$	1,810
Lease liabilities included in:
Accrued expenses - current portion of lease liabilities		$	520			$	120			$	640
Other long-term liabilities - non-current portion of lease liabilities			730				440				1,170
Total lease liabilities		$	1,250			$	560			$	1,810

Lessee, Lease Liability, Maturity [Table Text Block]

		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

		December 31, 2019
2020		$	712
2021			524
2022			360
2023			241
2024			46
Thereafter			9
Total lease payments		$	1,892
Less: Interest			(82	)
Present value of lease liabilities		$	1,810