INVESTMENT SECURITIES (Details) - USD ($)	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Amortized cost, as adjusted	$ 19,853,860	$ 47,169,544
Gross unrealized holding gains	3,270	0
Gross unrealized holding losses	2,492	108,668
Estimated fair value	19,854,638	47,060,876
Short-term Investments [Member] \| US Government Agencies Debt Securities [Member]
Amortized cost, as adjusted	19,853,860	22,166,512
Gross unrealized holding gains	3,270	0
Gross unrealized holding losses	2,492	22,822
Estimated fair value	$ 19,854,638	22,143,690
Other Long-term Investments [Member] \| US Government Agencies Debt Securities [Member]
Amortized cost, as adjusted		25,003,032
Gross unrealized holding gains		0
Gross unrealized holding losses		85,846
Estimated fair value		$ 24,917,186

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.6)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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