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Private Placement (Detailsl) - Private placement [Member] - USD ($)		6 Months Ended
	Jul. 27, 2018	May 31, 2019
Private Placement (Textual)
Number of shares purchased (in shares)	282,000
Shares issued per share (in dollars per share)	$ 10.00
Sponsor [Member]
Private Placement (Textual)
Number of shares purchased (in shares)		260,000
Chardan [Member]
Private Placement (Textual)
Number of shares purchased (in shares)		22,000
Sponsor and Chardan [Member]
Private Placement (Textual)
Number of shares purchased (in shares)		282,000
Shares issued per share (in dollars per share)		$ 10.00
Proceeds from issuance of private placement		$ 2,820,000

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- References

No definition available.

+ Details

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- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

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