Fair Value Measurements (Schedule of Liabilities Measured on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Liabilities:
Accrued make-whole for Pelen LLC (Note 18)	$ 135,000
Total Liabilities	135,000	$ 0
Quoted Prices in Active Markets (Level 1)
Liabilities:
Accrued make-whole for Pelen LLC (Note 18)	0
Total Liabilities	0
Significant Other Observable Inputs (Level 2)
Liabilities:
Accrued make-whole for Pelen LLC (Note 18)	135,000
Total Liabilities	135,000
Significant Unobservable Inputs (Level 3)
Liabilities:
Accrued make-whole for Pelen LLC (Note 18)	0
Total Liabilities	$ 0