Defined Benefit Pension Plan (Components Of Net Periodic Pension Cost) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Defined Benefit Pension Plan
Service cost	$ 21,943	$ 18,225	$ 40,110	$ 36,449
Interest cost	68,010	112,891	136,020	225,781
Expected return on plan assets	(105,146)	(160,937)	(210,292)	(321,874)
Amortization of net loss/(gain)	(69)		(138)
Net periodic pension benefit	$ (15,262)	$ (29,821)	$ (34,300)	$ (59,644)