Intangible Assets (Narrative) (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Amortization expense, remainder of 2017	$ 46,000
Amortization expense, 2018	142,000
Amortization expense, 2019	109,000
Amortization expense, 2020	76,000
Amortization expense, 2021	20,000
Amortization expense, 2022	20,000
Net	$ 413,000	$ 438,000