INVESTMENT SECURITIES

9 Months Ended

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

NOTE 3 – INVESTMENT SECURITIES

We record our investments as held-to-maturity at amortized cost.

The following tables summarize our investment securities at September 30, 2015 and December 31, 2014:

	September 30, 2015
			Gross		Gross
	Amortized cost,		unrealized		unrealized		Estimated fair
	as adjusted		holding gains		holding losses		value
Short-term investments:
Obligations of domestic governmental agencies (maturing between October 2015 and August 2016) (held-to-maturity)	$	28,701,209	$	8,061	$	80	$	28,709,190
Long-term investments:
Obligations of domestic governmental agencies (maturing between October 2016 and September 2017) (held-to-maturity)		21,088,192		37,010		—		21,125,202
Total short-term and long-term investment securities	$	49,789,401	$	45,071	$	80	$	49,834,392

	December 31, 2014
			Gross		Gross
	Amortized cost,		unrealized		unrealized		Estimated fair
	as adjusted		holding gains		holding losses		value
Short-term investments:
Obligations of domestic governmental agencies (maturing between January 2015 and December 2015) (held-to-maturity)	$	23,062,034	$	922	$	5,806	$	23,057,150
Total short-term investment securities	$	23,062,034	$	922	$	5,806	$	23,057,150