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STOCK-BASED COMPENSATION - Additional Information (Details)
3 Months Ended
Oct. 29, 2018
Aug. 03, 2018
installment
$ / shares
shares
Apr. 09, 2018
$ / shares
shares
Jun. 30, 2019
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
Jun. 19, 2019
shares
Jun. 18, 2019
shares
Mar. 21, 2018
shares
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition | $         $ 3,205,980      
Common Stock, Capital Shares Reserved for Future Issuance               1,484,250
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized           1,784,250 300,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   150,000   0        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term   10 years 5 years          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares   $ 6.12   $ 0.00        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost | $       $ 193,955        
Employee Stock Option [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Number of Installments | installment   3            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Per Installment   6 months            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     989,500          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares     $ 7.00          
IPO Underwriter Warrants [Member]                
Class of Warrant or Right, Number of Securities Called by Warrants or Rights       57,200        
Lock Up Period For Shares 180 days              
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares       $ 8.75        
Class of Warrant or Right, Date from which Warrants or Rights Exercisable       May 02, 2023