INVESTMENTS IN MARKETABLE SECURITIES (Details 2) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Net Realized And Unrealized Gain Loss From Investments In Marketable Security Summarized Below [Line Items]
Net realized gains from sales of marketable securities	$ 51,000	$ 62,000
Net unrealized (losses) gains from marketable securities	(454,000)	199,000
Total net (losses) gains from investments in marketable securities	$ (403,432)	$ 260,656

Amount of unrealized gain (loss) on investment in marketable security.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration