SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for Doubtful Accounts (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for Doubtful Accounts [Abstract]
Balance at Beginning of Period	$ 165,291	$ 158,870	$ 238,228
Provisions Charged to Expense	80,819	114,870	182,946
Write-offs	43,903	108,449	262,304
Balance at End of Period	202,207	165,291	158,870
Balance at Beginning of Period	62,493,958	57,560,365	52,803,494
Provisions Charged to Expense	1,185,003	4,933,593	4,756,871
Write-offs	0		0
Balance at End of Period	$ 63,678,961	$ 62,493,958	$ 57,560,365