Derivative Financial Instruments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Sep. 16, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Foreign currency forward contracts outstanding	$ 0	$ 0	$ 0
Derivative Instruments	82,024	137,171		$ 200,000
Interest and other income (loss)
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivative	$ 55,147	$ 21,963	$ 11,203