Fair Value Measurements (Assets And Liabilities Measured At Fair Value On A Recurring Basis By Level) (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 1,019,571	$ 5,361,053
Total assets at fair value	1,019,571	5,361,053
Warrants issued	2,027,395	2,134,187
Total liabilities at fair value	2,027,395	2,134,187
Warrants Issued May 10, 2012 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants issued	686,275	728,712
Warrants Issued August 2013 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants issued	1,341,120	1,405,475
Quoted Prices In Active Markets For Identical Instruments (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	1,019,571	5,361,053
Total assets at fair value	$ 1,019,571	$ 5,361,053
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents
Total assets at fair value
Total liabilities at fair value
Significant Other Observable Inputs (Level 2) [Member] | Warrants Issued May 10, 2012 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants issued
Significant Other Observable Inputs (Level 2) [Member] | Warrants Issued August 2013 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants issued
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities at fair value	$ 2,027,395	$ 2,134,187
Significant Unobservable Inputs (Level 3) [Member] | Warrants Issued May 10, 2012 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants issued	686,275	728,712
Significant Unobservable Inputs (Level 3) [Member] | Warrants Issued August 2013 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants issued	$ 1,341,120	$ 1,405,475