Summary of Significant Accounting Policies (Narrative) (Details)	3 Months Ended	9 Months Ended		21 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($) segment	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Summary of Significant Accounting Policies [Line Items]
Equipment on operating leases, depreciation method		straight-line
Taxes on income and franchise fees	$ 2,000	$ 7,000	$ (9,000)
Warrants exercised				$ 0
Number of operating segments | segment		1
Number of reportable segments | segment		1
Unrealized gain (loss) on fair value adjustment for warrants	(4,000)	$ 289,000	$ (37,000)
Warrants, fair value	$ 591,000	$ 591,000		$ 591,000	$ 302,000
Practical expedients package		true
Operating Revenue [Member]
Summary of Significant Accounting Policies [Line Items]
Percentage of concentration risk		100.00%
Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Required assets value of financial institutions for cash deposits		$ 10,000,000,000
Operating leases, initial terms	36 months	36 months		36 months
Accounts receivable, period for non-accrual status		90 days
Operating leases, Period for non-accrual status		90 days
Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Treasury instruments maturity period		90 days
Cash deposits, insured amount	$ 250,000	$ 250,000		$ 250,000
Operating leases, initial terms	120 months	120 months		120 months
Accounts receivable, period for review of impairment		90 days
Operating leases, period of review for impairment		90 days