Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details Textual)

v3.19.2
Revenue Recognition (Details Textual) - USD ($)
12 Months Ended
Sep. 30, 2018
Jun. 30, 2019
Revenue Recognition [Abstract]    
Accounts receivable, net $ 63,300 $ 183,400
Deferred revenue 159,700 $ 175,800
Revenue recognized $ 16,100