Summary Of Significant Accounting Policies (Components Of Accumulated Other Comprehensive Loss) (Details)	12 Months Ended
	Dec. 31, 2016 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	$ 72,184,691
BALANCE	61,632,692
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	(4,801,000)
Net current period change	(141,000)
Reclassification adjustments into income	4,238,000
BALANCE	(704,000)
Unrealized (Loss)/Gain On Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	(13,000)
Net current period change	30,000
Reclassification adjustments into income
BALANCE	17,000
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	4,148,000
Net current period change
Reclassification adjustments into income	(4,148,000)
BALANCE
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
BALANCE	(666,382)
Net current period change	(111,000)
Reclassification adjustments into income	90,000
BALANCE	$ (686,661)