Fair Value Measurements (Narrative) (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents			$ 524,083
Financial assets			524,083
Financial liabilities		$ 19,787,007	794,130
Warrants Issued September 2016 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Volatility rate	120.43%	121.31%
Risk-free interest rate	1.14%	1.93%
Closing stock price	$ 0.87	$ 0.65
Quoted Prices In Active Markets For Identical Instruments (Level 1) [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents			524,083
Transfers into Level 1		$ 0
Transfers out of Level 1		0
Financial assets			524,083
Significant Other Observable Inputs (Level 2) [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents
Financial assets
Financial liabilities
Significant Unobservable Inputs (Level 3) [Member] | Warrants Issued May 2012 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant expiration date		May 01, 2018
Volatility rate		121.12%	113.40%
Risk-free interest rate		1.20%	1.06%
Closing stock price		$ 0.65	$ 0.74
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities		$ 19,787,007	$ 794,130
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member] | Warrants Issued August 2013 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant expiration date		Nov. 01, 2018
Volatility rate		110.32%	182.94%
Risk-free interest rate		1.20%	1.31%
Closing stock price		$ 0.65	$ 0.74