Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)
Summary of Significant Accounting Policies [Line Items]
Equipment on operating leases, depreciation method	straight-line
Taxes expense (benefit) on income and franchise fees	$ 7	$ (5)
Period subject to income tax examination	3 years
Number of operating segments | segment	1
Number of reportable segments | segment	1
Unrealized gain on fair value adjustment for warrants	$ 429	16
Warrants, fair value	$ 731	$ 302
Practical expedients package	true
Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Required assets value of financial institutions for cash deposits	$ 10,000,000
Operating leases, initial terms	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
Operating leases, initial terms	120 months
Accounts receivable, period for review of impairment	90 days
Operating leases, period of review for impairment	90 days