Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

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Stockholders' Equity (Details) - USD ($)
6 Months Ended 12 Months Ended
Mar. 13, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Mar. 20, 2018
Mar. 16, 2018
Stockholders' Equity (Textual)            
Preferred stock, authorized 10,000,000 10,000,000   10,000,000    
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001   $ 0.0001    
Preferred stock, issued        
Preferred stock, outstanding        
Common stock, authorized 10,000,000 100,000,000   100,000,000    
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001   $ 0.0001    
Common stock, issued   3,800,351   3,789,558    
Common stock, outstanding   3,800,351   3,789,558    
Number of shares for redemption   11,019,649 11,054,757      
Common stock, rights Holders of the Company's common stock are entitled to one vote for each share.          
Shares purchase price, per share (in dollars per share) $ 3.51          
Amount of estimated fair value $ 2,633,621          
Initial Public Offering [Member]            
Stockholders' Equity (Textual)            
Shares purchase price, per share (in dollars per share) $ 10.00       $ 10.00 $ 10.00
Units sold, value $ 100          
Amount of shares issued under purchase option $ 7,500,000          
Number of shares issued under purchase option 750,000          
Expected volatility 35.00%          
Risk-free interest rate 2.65%          
Expected life 5 years          
Option expiry date Mar. 17, 2023          
Private Placement [Member]            
Stockholders' Equity (Textual)            
Shares purchase price, per share (in dollars per share)         10.00  
Warrant [Member]            
Stockholders' Equity (Textual)            
Warrant term   5 years        
Description of sale price of common stock   ● in whole and not in part; ● at a price of $0.01 per warrant; ● at any time during the exercise period; ● upon a minimum of 30 days' prior written notice of redemption; and ● if, and only if, the last sale price of the Company's common stock equals or exceeds $18.00 per share for any 20 trading days within a 30-trading day period ending on the third business day prior to the date on which the Company sends the notice of redemption to the warrant holders. ● if, and only if, there is a current registration statement in effect with respect to the shares of common stock underlying such warrants.        
Common Stock Subject to Mandatory Redemption [Member]            
Stockholders' Equity (Textual)            
Number of shares for redemption   11,019,649   11,030,442    
Axis Public Ventures [Member] | Warrant [Member] | Private Placement [Member]            
Stockholders' Equity (Textual)            
Shares purchase price, per share (in dollars per share)   $ 10.00        
Sponsors [Member] | Private Placement [Member]            
Stockholders' Equity (Textual)            
Shares purchase price, per share (in dollars per share)         $ 10.00