Concentration of Credit Risk and Major Customers (Details Narrative)	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Customer 1 [Member] \| Revenue from Contract with Customer Benchmark [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	49.00%	55.00%
Customer 1 [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	60.00%		44.00%
Customer 2 [Member] \| Revenue from Contract with Customer Benchmark [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	31.00%	26.00%
Customer 2 [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	25.00%		34.00%
Customer 3 [Member] \| Revenue from Contract with Customer Benchmark [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	14.00%	14.00%
Contracts3 [Member] \| Account Receivable [Member] \| Costemer Concentration Risk [Member]
Concentration Risk, Percentage	12.00%		17.00%

MASTERMIND, INC. 10-Q