Marketable Securities (Details) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Aggregate Fair Value	$ 12,136,254	$ 8,073,108
Cost or Amortized Cost	12,136,126	8,069,698
Net Unrealized Gains	128	3,410
Government securities
Schedule of Available-for-sale Securities [Line Items]
Aggregate Fair Value	7,577,349	6,252,339
Cost or Amortized Cost	7,576,249	6,249,483
Net Unrealized Gains	1,100	2,856
Corporate debt securities
Schedule of Available-for-sale Securities [Line Items]
Aggregate Fair Value	4,558,905	1,820,769
Cost or Amortized Cost	4,559,877	1,820,215
Net Unrealized Gains	$ (972)	$ 554