INVESTMENT SECURITIES (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost, as adjusted	$ 31,445,616	$ 47,169,544
Gross unrealized holding gains	19,363	0
Gross unrealized holding losses	0	108,668
Estimated fair value	31,464,979	47,060,876
Short-term Investments [Member] | US Government Agencies Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost, as adjusted	31,445,616	22,166,512
Gross unrealized holding gains	19,363	0
Gross unrealized holding losses	0	22,822
Estimated fair value	$ 31,464,979	22,143,690
Other Long-term Investments [Member] | US Government Agencies Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost, as adjusted		25,003,032
Gross unrealized holding gains		0
Gross unrealized holding losses		85,846
Estimated fair value		$ 24,917,186