Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Details)

v3.8.0.1
Stockholders' Equity - Additional Information (Details) - USD ($)
3 Months Ended
Dec. 31, 2017
Dec. 12, 2017
Class Of Stock [Line Items]    
Common stock, shares authorized 100,000,000  
Common stock, shares issued 4,105,843  
Common stock, shares outstanding 4,105,843  
Preferred stock, shares authorized 1,000,000  
Preferred stock, shares issued 0  
Preferred stock, shares outstanding 0  
Rights    
Class Of Stock [Line Items]    
Number of shares of common stock each holder receive   0.10
Number of fractional shares issued upon conversion of rights 0  
Additional consideration required to be paid by holder of right to receive additional shares $ 0  
Funds and distributions to be received by rights holders upon liquidation of funds held in trust account 0  
Contractual penalties for failure to deliver securities to the rights holders $ 0  
Minimum [Member] | Rights    
Class Of Stock [Line Items]    
Period allotted to complete the business combination 15 months  
Maximum | Rights    
Class Of Stock [Line Items]    
Period allotted to complete the business combination 18 months  
Common Stock    
Class Of Stock [Line Items]    
Common stock, shares authorized 100,000,000  
Common stock, voting rights per share one  
Common stock, shares issued 4,105,843  
Common stock, shares outstanding 4,105,843  
Shares subject to possible redemption 12,477,407  
Common stock, number of shares subject to forfeiture 468,750  
Number of shares of common stock each holder receive 0.10  
Stock grant date fair value share-based compensation $ 162,600  
Common Stock | Independent Directors    
Class Of Stock [Line Items]    
Common stock issued in consideration of future services, shares 60,000  
Common Stock | Chief Financial Officer    
Class Of Stock [Line Items]    
Common stock issued in consideration of future services, shares 5,000  
Preferred Stock    
Class Of Stock [Line Items]    
Preferred stock, shares authorized 1,000,000  
Preferred stock, shares issued 0  
Preferred stock, shares outstanding 0  
Warrants    
Class Of Stock [Line Items]    
Exercise price of warrants $ 11.50 $ 11.50
Number of shares of common stock each holder receive 4 0.75
Warrant agreement date Dec. 12, 2017  
Number of fractional shares issued upon exercise of warrants 0  
Period after business combination when warrants become exercisable 30 days  
Period after offering when warrants become exercisable 12 months  
Warrants exercisable expiration period after completion of business combination 5 years  
Net cash settlement value of warrants $ 0  
Redemption price per warrant $ 0.01  
Minimum period of prior written notice of redemption of warrants 30 days  
Minimum price per share required for redemption of warrants $ 18.00  
Warrants redemption covenant, threshold trading days 20 days  
Warrants redemption covenant, threshold consecutive trading days 30 days  
Warrants | Minimum [Member]    
Class Of Stock [Line Items]    
Period allotted to complete the business combination 15 months  
Warrants | Maximum    
Class Of Stock [Line Items]    
Period allotted to complete the business combination 18 months