Fair Value Measurements (Summary of Valuation Techniques and Significant Unobservable Inputs Used) (Details)	Dec. 31, 2019 USD ($) $ / shares	Dec. 31, 2018 USD ($) $ / shares
Nonrecurring [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired lease and off-lease equipment	$ 104,000	$ 8,000
Level 3 Estimated Fair Value [Member] | Nonrecurring [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired lease and off-lease equipment	104,000	8,000
Level 3 Estimated Fair Value [Member] | Nonrecurring [Member] | Impaired Off-Lease Equipment [Member] | Market Approach [Member] | Measurement Inputs, Third Party Agents' Estimate of the Value of Collateral [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired lease and off-lease equipment	$ 104,000	$ 7,550
Level 3 Estimated Fair Value [Member] | Minimum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Stock Price [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values | $ / shares	0.12	0.00
Level 3 Estimated Fair Value [Member] | Minimum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Exercise Price [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values | $ / shares	0.10	0.10
Level 3 Estimated Fair Value [Member] | Minimum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Time to maturity (in years) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values	0.99	1.62
Level 3 Estimated Fair Value [Member] | Minimum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Risk Free Interest Rate [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values	0.0158	0.0246
Level 3 Estimated Fair Value [Member] | Minimum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Annualized Volatility [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values	0.4392	0.4758
Level 3 Estimated Fair Value [Member] | Minimum [Member] | Nonrecurring [Member] | Impaired Off-Lease Equipment [Member] | Market Approach [Member] | Measurement Inputs, Third Party Agents' Estimate of the Value of Collateral [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired lease and off-lease equipment	$ 0	$ 0
Level 3 Estimated Fair Value [Member] | Maximum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Stock Price [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values | $ / shares	12.92	9.98
Level 3 Estimated Fair Value [Member] | Maximum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Exercise Price [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values | $ / shares	160.05	1,000.00
Level 3 Estimated Fair Value [Member] | Maximum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Time to maturity (in years) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values	6.08	7.08
Level 3 Estimated Fair Value [Member] | Maximum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Risk Free Interest Rate [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values	0.0173	0.0259
Level 3 Estimated Fair Value [Member] | Maximum [Member] | Recurring [Member] | Warrant [Member] | Black-Scholes Model [Member] | Unobservable Inputs, Annualized Volatility [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrants, Range of Input Values	1.0907	0.9194
Level 3 Estimated Fair Value [Member] | Maximum [Member] | Nonrecurring [Member] | Impaired Off-Lease Equipment [Member] | Market Approach [Member] | Measurement Inputs, Third Party Agents' Estimate of the Value of Collateral [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired lease and off-lease equipment	$ 8,000	$ 8,000