Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.19.2
Related Party Transactions (Details) - USD ($)
 1 Months Ended 8 Months Ended 12 Months Ended
Sep. 14, 2018
Mar. 31, 2018
Jun. 30, 2018
Jun. 30, 2019
Dec. 18, 2018
Related Party Transactions (Textual)          
Aggregate purchase price [1]     $ 25,000    
Stock split 1.4-for-1        
Shares outstanding 2,012,500        
Description of related party transaction       The Initial Stockholders have agreed that, subject to certain limited exceptions, 50% of the Founder Shares will not be transferred, assigned, sold or released from escrow until the earlier of (i) 6 months after the date of the consummation of a Business Combination or (ii) the date on which the closing price of the Company's shares of common stock equals or exceeds $12.50 per share (as adjusted for stock splits, stock dividends, reorganizations and recapitalizations) for any 20 trading days within any 30-trading day period commencing after a Business Combination and the remaining 50% of the Founder Shares will not be transferred, assigned, sold or released from escrow until 6 months after the date of the consummation of a Business Combination, or earlier, in either case, if, subsequent to a Business Combination, the Company consummates a subsequent liquidation, merger, stock exchange or other similar transaction which results in all of the stockholders having the right to exchange their shares of common stock for cash, securities or other property.  
Private Placement [Member] | Warrant [Member]          
Related Party Transactions (Textual)          
Face amount       $ 500,000  
Exercise price of warrants (in dollars per share)       $ 0.40  
Chardan Investments, LLC (the "Sponsor") [Member]          
Related Party Transactions (Textual)          
Number of shares issued   1,437,500      
Aggregate purchase price   $ 25,000      
Chardan Investments, LLC (the "Sponsor") [Member] | Over-Allotment Option [Member]          
Related Party Transactions (Textual)          
Shares forfeited issued       1,750,000  
Shares forfeited outstanding       1,750,000  
Number of shares forfeiture 262,500     262,500  
Percentage of issued and outstanding shares own 20.00%        
Chardan Investments, LLC (the "Sponsor") [Member] | Unsecured Promissory Notes [Member]          
Related Party Transactions (Textual)          
Face amount       $ 65,500 $ 105,500
Chardan Investments, LLC (the "Sponsor") [Member] | Promissory Note [Member]          
Related Party Transactions (Textual)          
Face amount         500,000
Repurchased face amount         $ 500,000
[1] Included an aggregate of 262,500 shares that were subject to forfeiture to the extent that the underwriters' over-allotment option was not exercised in full (see Note 7).