Share-Based Compensation (Details Textual) (USD $)	3 Months Ended		6 Months Ended			6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2013 Deferred Compensation, Share-based Payments [Member]	Jun. 30, 2012 Deferred Compensation, Share-based Payments [Member]	May 31, 2013 Maximum [Member]	May 31, 2013 Minimum [Member]	Jun. 30, 2013 Long Term Incentive Plan2011 [Member]	Jun. 30, 2013 Long Term Incentive Plan2011 [Member] Maximum [Member]	Jun. 30, 2013 Long Term Incentive Plan2011 [Member] Minimum [Member]
Share Based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	3,491,252		3,491,252		1,636,544
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 2.79		$ 2.79		$ 5.07						$ 60.39	$ 1.75
Net loss	$ (1,851,840)	$ (10,463,218)	$ (2,987,727)	$ (12,997,076)		$ 1,164,578	$ 468,353
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 1.43	$ 1.60
Proceeds from Stock Options Exercised	$ 0	$ 0	$ 7,190	$ 1,999
Share Based Compensation Estimated Forfeiture Rate			5.00%	5.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant								4,230,000	1,730,000	1,210,876