FAIR VALUE MEASUREMENTS (Details) (Recurring [Member], USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 3,383,737	$ 3,196,831	$ 2,470,852
Certificates of Deposit	5,120,000	5,000,000	5,360,970
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	3,383,737	3,196,831	2,470,852
Certificates of Deposit	5,120,000	5,000,000	5,360,970
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0	0
Certificates of Deposit	0	0	0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0	0
Certificates of Deposit	$ 0	$ 0	$ 0