Loss Per Share of Common Stock (Antidilutive) (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Antidilutive securities excluded from computation of diluted weighted average shares outstanding
Shares excluded from the computation of diluted weighted average shares outstanding	10,814,361	12,112,150	11,307,434	11,735,239
Warrants
Antidilutive securities excluded from computation of diluted weighted average shares outstanding
Shares excluded from the computation of diluted weighted average shares outstanding	54,776	23,747	54,776	23,747
Options awards
Antidilutive securities excluded from computation of diluted weighted average shares outstanding
Shares excluded from the computation of diluted weighted average shares outstanding	2,701,314	4,030,132	3,194,387	3,653,221
8.00% Convertible Notes Due 2019
Antidilutive securities excluded from computation of diluted weighted average shares outstanding
Shares excluded from the computation of diluted weighted average shares outstanding	8,058,271	8,058,271	8,058,271	8,058,271