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Note 5 - Due From Mullen (Details Textual) - USD ($)	Aug. 11, 2020	Jun. 30, 2021
RBL Capital Group, LLC [Member]
Proceeds from Notes Payable, Total	$ 500,000
Receivable with Imputed Interest, Face Amount	$ 500,000
Receivable with Imputed Interest, Effective Yield (Interest Rate)	14.00%
Mullen [Member]
Receivable with Imputed Interest, Face Amount	$ 500,000
Receivable with Imputed Interest, Effective Yield (Interest Rate)	14.00%
Registration Filing, Late Fees Owed		$ 1,500,000

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