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Note 13 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Lease Cost:
Amortization of right of use assets	$ 10	$ 0
Interest expense on finance leases	2	0	$ 0
Operating lease cost	1,207	1,222
Variable lease cost	215	219
Short-term lease cost	28	27
Total lease cost	1,462	1,468
Operating cash flows from operating leases	1,212	1,208
Financing cash flows from finance leases	11	(0)	$ (0)
ROU assets obtained in exchange for finance lease obligations	$ 110	$ 0
Finance (Year)	6 years 3 months 29 days
Operating (Year)	1 year 9 months 10 days	2 years 8 months 8 days
Finance	2.26%	0.00%
Operating	4.37%	4.45%

X

- Definition

Amount of interest expense on finance lease liability.

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Amount of cash outflow for principal payment on finance lease.

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of lease cost recognized by lessee for lease contract.

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No definition available.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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