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3. Investments (Details 2) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Cost	$ 1,999,381	$ 1,999,381
Unrealized gain	336,493	(144,156)
Estimated fair value	2,335,874	1,855,225
Hedge Fund
Cost	1,999,381	1,999,381
Unrealized gain	336,493	(144,156)
Estimated fair value	$ 2,335,874	$ 1,855,225

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f,g))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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