Lease Obligations (Narrative) (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Feb. 04, 2020 USD ($)	Sep. 30, 2020 USD ($) ft²	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) ft²	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Operating Leased Assets [Line Items]
Lease retail/office space, in square feet | ft²		6,500		6,500
Lease term		5 years		5 years
Lease expiration date				Feb. 29, 2020
Lease right-of-use asset	$ 556	$ 497		$ 497		$ 17
Lease liability	$ 556	$ 501		$ 501
Discount rate	4.00%
Remaining lease term		4 years 5 months 1 day		4 years 5 months 1 day
Lease expenses		$ 42	$ 34	$ 120	$ 111
Cash lease payments		$ 40	$ 35	$ 117	$ 104
Lease Amendment [Member]
Operating Leased Assets [Line Items]
Lease expiration date	Feb. 28, 2025