Condensed Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($) $ / shares
Statement of Stockholders' Equity [Abstract]
Sale of Units, net of underwriting discounts \| $	$ 27,600,000
Sale of Private Units \| $ / shares	$ 687,000

Amount, after accumulated amortization, of debt discount.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant