Quarterly report pursuant to Section 13 or 15(d)

Public Offering (Details)

v3.7.0.1
Public Offering (Details) - USD ($)
1 Months Ended 6 Months Ended
Sep. 28, 2016
Aug. 24, 2016
May 31, 2017
Nov. 30, 2016
Public Offering (Textual)        
Units issued in public offering 6,500,000 6,500,000    
Sale of public offering, per share   $ 10.00    
Common stock, par value   0.0001 $ 0.0001 $ 0.0001
Warrant purchase price   $ 11.50    
Outstanding warrants, description   The Warrants become exercisable, the Company may redeem the outstanding Warrants in whole and not in part at a price of $0.01 per Warrant upon a minimum of 30 days' prior written notice of redemption, only in the event that the last sale price of the Company's shares of common stock equals or exceeds $21.00 per share for any 20 trading days within the 30-trading day period ending on the third trading day before the Company sends the notice of redemption to the Warrant holders.    
Underwriting fees $ 1,300,000      
Underwriting discount, percentage 2.00%      
Expected life     5 years  
Overallotment option [Member]        
Public Offering (Textual)        
Units issued in public offering 400,610 400,610    
Sale of public offering, per share $ 10.00      
Underwriting fees $ 80,122      
Option purchase   975,000    
Gross proceeds offering payable percentage 2.50%      
Proceeds from sale of public offering $ 80,122 $ 4,006,100