Certain Relationships and Related Party Transactions (Schedule of Related Party Transactions) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 198,500	$ 190,200	$ 621,100	$ 599,000
Administrative
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	29,000	30,300	92,300	95,400
Supervision
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	114,700	119,900	364,700	377,100
Transportation
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 54,800	$ 40,000	$ 164,100	$ 126,500