Summary Of Significant Accounting Policies (Components Of Accumulated Other Comprehensive Loss) (Details)	3 Months Ended
	Mar. 31, 2017 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	$ 61,632,692
BALANCE	60,089,870
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	(704,000)
Net current period change	(5,000)
BALANCE	(709,000)
Unrealized (Loss)/Gain On Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	17,000
Net current period change	(2,000)
BALANCE	15,000
Accumulated Other Comprehensive Income Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	(686,661)
Net current period change	(7,000)
BALANCE	$ (693,433)