Lease Obligations (Narrative) (Details) $ in Thousands		3 Months Ended		6 Months Ended
	Feb. 04, 2020 USD ($)	Jun. 30, 2020 USD ($) ft²	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) ft²	Jun. 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		4 years 8 months 1 day		4 years 8 months 1 day
Lease expiration date				Feb. 29, 2020
Lease right-of-use asset	$ 556	$ 522		$ 522		$ 17
Lease liability	$ 556	525		$ 525
Discount rate	4.00%
Remaining lease term				5 years
Lease expenses		42	$ 32	$ 79	$ 65
Cash lease payments		$ 39	$ 33	$ 77	$ 68
Lease Amendment [Member]
Operating Leased Assets [Line Items]
Lease expiration date	Feb. 28, 2025