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The components of the lease expense were as follows: (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases
Operating lease cost	$ 173	$ 162	$ 456	$ 500
Finance lease cost
Amortization of right-of-use asset	62	64	219	196
Interest on lease liabilities	9	13	30	41
Total finance lease cost	$ 71	$ 77	$ 249	$ 237

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Amount of finance lease cost.

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Amount of interest expense on finance lease liability.

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

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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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