Operating Lease (Narrative) (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) ft²	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Lease retail/office space, in square feet | ft²	6,500
Lease term	5 years
Lease expiration date	Feb. 01, 2020
Lease option to extend	one-year
Lease liability	$ 96,000
Right of use lease asset	91,000
Deferred rent liability			$ 8,000
Lease payments remaining in 2019	80,000
Lease payments remaining in 2020	16,000
Operating lease cost	25,000
Cash paid for operating lease liabilities	$ 26,000
ASC Topic 842 [Member]
Lessee, Lease, Description [Line Items]
Lease liability		$ 124,000
Right of use lease asset		116,000
Deferred rent liability		$ 8,000