VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2012

VALUATION AND QUALIFYING ACCOUNTS [Abstract]

VALUATION AND QUALIFYING ACCOUNTS

VALUATION AND QUALIFYING ACCOUNTS

	Balance at Beginning of Period		Additions Charged to Costs and Expenses		Deductions			Balance at End of Period
Allowance for Doubtful Accounts
Year ended December 31, 2012	$	838,750	$	1,351,592	$	(1,198,352	)	$	991,990
Year ended December 31, 2011	$	113,838	$	1,299,633	$	(574,721	)	$	838,750