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Leases (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Lease terms extending through year			2026
Operating lease, Weighted average remaining lease term	3 years 4 months 24 days		3 years 4 months 24 days
Operating lease, Weighted average discount rate	5.95%		5.95%
Operating lease costs	$ 112	$ 97	$ 215	$ 192
Variable lease costs	$ 66	$ 81	$ 150	$ 129

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- Definition

Lessee Operating Lease Term

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- Definition

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.

+ References

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-Publisher FASB
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-SubTopic 20
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- Definition

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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-Publisher FASB
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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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