Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The average effective interest rate during the reporting period.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The effective interest rate at the end of the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the required periodic payment applied to interest.

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The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Including the current and noncurrent portions, the carrying value as of the balance sheet date of notes payable to banks, excluding mortgage notes, initially due beyond one year or beyond the operating cycle if longer.

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Line of credit (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
Line of credit (Details) - USD ($)	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 29, 2018
Line of Credit Facility [Line Items]
Line of Credit Facility, Periodic Payment, Interest	$ 3,000	$ 2,000	$ 8,000	$ 9,000
Line of Credit Facility, Interest Rate at Period End	0.99%		0.99%
Accrued expenses	$ 720,565		$ 720,565			$ 681,047
Interest Expense	5,398	$ 1,718	16,385	$ 9,821
Line of credit	$ 201,575		$ 201,575			$ 201,575
Notes Payable to Banks [Member]
Line of Credit Facility [Line Items]
Notes Payable to Bank							$ 250,000
Debt Instrument, Interest Rate, Stated Percentage							5.00%
Debt Instrument, Basis Spread on Variable Rate					74.00%
Debt Instrument, Interest Rate During Period					5.74%