Summary of Significant Accounting Policies (Components of Accumulated Other Comprehensive Loss) (Details)	6 Months Ended
	Jun. 30, 2018 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	$ 49,170,727
BALANCE	44,424,076
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	(625,000)
Net current period change	(71,000)
BALANCE	(696,000)
Unrealized (Loss)/Gain On Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	12,000
Net current period change	(2,000)
BALANCE	10,000
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	(613,379)
Net current period change	(73,000)
BALANCE	$ (686,282)