Stock-Based Compensation (Details 4) - Jun. 30, 2015 - $ / shares	Total
Summary of outstanding warrants to purchase common stock
Shares	3,255,073
2007 Debt Extension Warrants [Member]
Summary of outstanding warrants to purchase common stock
Issue Date	Sep. 22, 2010
Exercise Price	$ 1.00
Shares	16,000
Expiration Date	Sep. 22, 2015
December 2010 Employee Warrants [Member]
Summary of outstanding warrants to purchase common stock
Issue Date	Dec. 03, 2010
Exercise Price	$ 1.63
Shares	200,000
Expiration Date	Dec. 03, 2015
February 2011 Legal Advisor Warrant [Member]
Summary of outstanding warrants to purchase common stock
Issue Date	Feb. 22, 2011
Exercise Price	$ 2.50
Shares	80,000
Expiration Date	Feb. 22, 2016
March 2011 Investor Warrants [Member]
Summary of outstanding warrants to purchase common stock
Issue Date	Mar. 09, 2011
Exercise Price	$ 3.13
Shares	349,973
Expiration Date	Mar. 09, 2016
March 2011 Investor Warrants [Member]
Summary of outstanding warrants to purchase common stock
Issue Date	Apr. 07, 2011
Exercise Price	$ 3.13
Shares	34,100
Expiration Date	Apr. 07, 2016
May 2014 Agent Warrant [Member]
Summary of outstanding warrants to purchase common stock
Issue Date	May 15, 2014
Exercise Price	$ 5.09
Shares	75,000
Expiration Date	Nov. 15, 2015
May 2014 Investor Warrant [Member]
Summary of outstanding warrants to purchase common stock
Issue Date	May 15, 2014
Exercise Price	$ 5.09
Shares	2,500,000
Expiration Date	Nov. 15, 2015