INVESTMENT SECURITIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Short-term Investments [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost, as adjusted	$ 23,062,034
Gross unrealized holding gains	922
Gross unrealized holding losses	5,806
Estimated fair value	23,057,150
Other Long-term Investments [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost, as adjusted		4,918,897
Gross unrealized holding gains		0
Gross unrealized holding losses		650
Estimated fair value		4,918,247
US Government Agencies Debt Securities [Member] | Short-term Investments [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost, as adjusted	23,062,034
Gross unrealized holding gains	922
Gross unrealized holding losses	5,806
Estimated fair value	23,057,150
US Government Agencies Debt Securities [Member] | Other Long-term Investments [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost, as adjusted		4,918,897
Gross unrealized holding gains		0
Gross unrealized holding losses		650
Estimated fair value		$ 4,918,247