Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)

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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Statement of Stockholders' Equity [Abstract]    
Registered direct offering, net of costs $ 466,000 $ 760,459
Underwriting discount $ 710,342 $ 1,049,999