Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.8.0.1
Summary of Significant Accounting Policies - Additional Information (Details)
 3 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
shares
Dec. 31, 2017
USD ($)
$ / shares
shares
Schedule Of Significant Accounting Policies [Line Items]    
Restricted cash $ 71,640 $ 71,640
Offering costs charged to stockholders' equity upon completion of offering   3,043,499
Number of shares of common stock underlying restricted stock award subject to forfeiture | shares 65,000  
Unrecognized tax benefits $ 0 0
Amount accrued for payment of interest and penalties 0 0
Offering and Private Placement | Warrants    
Schedule Of Significant Accounting Policies [Line Items]    
Warrants sold to purchase common stock $ 9,742,125 $ 9,742,125
Offering and Private Placement | Rights    
Schedule Of Significant Accounting Policies [Line Items]    
Rights sold for conversion into common stock | shares 1,298,950  
Over-Allotment Option    
Schedule Of Significant Accounting Policies [Line Items]    
Number of units outstanding | shares 1,875,000 1,875,000
Exercise price of warrants | $ / shares $ 10.00 $ 10.00