Consolidated Statements Of Cash Flows (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements Of Cash Flows [Abstract]
Non cash net unrealized gain on investments, deferred tax provision	$ (969,710)	$ (461,281)
Adjustments to postretirement benefits obligation, net of deferred tax (provision) benefit	$ (39,130)	$ 55,591