Derivative Instruments; Fair Value (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Warrant Liability	$ 794,000	$ 818,000
Liabilities, Fair Value Disclosure	794,000	818,000
Fair Value, Inputs, Level 1 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Warrant Liability	0	0
Liabilities, Fair Value Disclosure	0
Fair Value, Inputs, Level 2 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Warrant Liability	794,000	818,000
Liabilities, Fair Value Disclosure	794,000	818,000
Fair Value, Inputs, Level 3 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Warrant Liability	0	0
Liabilities, Fair Value Disclosure	$ 0