Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Schedule of Trade Receivables (Details)

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Summary of Significant Accounting Policies - Schedule of Trade Receivables (Details) - USD ($)
Sep. 30, 2021
Sep. 30, 2020
Accounts Receivable, after Allowance for Credit Loss [Abstract]    
Accounts receivable, current $ 21,620,000 $ 20,197,000
Less: Reserve for doubtful accounts (61,000) (76,000)
Trade receivables, current, net 21,559,000 20,121,000
Accounts receivable, long term 0 196,000
Less: Allowance for doubtful accounts 0 (196,000)
Trade receivables , long term, net 0 0
Gross trade receivables 21,620,000 20,393,000
Less: Reserve for doubtful accounts (61,000) (272,000)
Total trade receivables, net $ 21,559,000 $ 20,121,000