Nature of Business (Details) (USD $)	1 Months Ended	3 Months Ended
	Dec. 31, 2014	Mar. 31, 2015 Grant	Mar. 31, 2014	Dec. 31, 2013
Nature of Business (Textual)
Number of active business segments		2
Cash and cash equivalents	$ 5,525,094	$ 5,012,605	$ 5,606,850	$ 5,856,242
Net decrease in cash and cash equivalents		(512,489)	(249,392)
Percentage decrease in cash and cash equivalents		9.00%
Working capital, carrying value	3,174,214	2,913,440
Non-cash warrant liability	3,789,562	5,152,367
Decrease in working capital		260,774
Percentage of decrease in working capital		8.00%
Active grant funding available		50,500,000
Proceeds from net operating losses	616,872
Equity facility, face amount		10,600,000
Equity facility, available amount		$ 9,300,000
Equity facility, maturity date		Oct. 31, 2016