Marketable Securities (Details 1) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Fair Value	$ 500,040	$ 7,420,042
Cost	499,969	$ 7,423,448
Due within one year
Schedule of Available-for-sale Securities [Line Items]
Fair Value	500,040
Cost	499,969
Due after one year
Schedule of Available-for-sale Securities [Line Items]
Fair Value	0
Cost	$ 0