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Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. 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Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2019-06-01","end":"2020-05-31","val":-152325,"accn":"0001017386-21-000392","fy":2021,"fp":"FY","form":"10-K","filed":"2021-09-03","frame":"CY2019"},{"start":"2020-06-01","end":"2020-08-31","val":-98947,"accn":"0001017386-21-000454","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-10-15","frame":"CY2020Q3"},{"start":"2020-06-01","end":"2020-11-30","val":-852,"accn":"0001017386-22-000026","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-01-14"},{"start":"2020-06-01","end":"2021-02-28","val":61668,"accn":"0001017386-22-000166","fy":2021,"fp":"Q3","form":"10-Q","filed":"2022-04-19"},{"start":"2020-06-01","end":"2021-05-31","val":30798,"accn":"0001017386-21-000392","fy":2021,"fp":"FY","form":"10-K","filed":"2021-09-03","frame":"CY2020"},{"start":"2021-06-01","end":"2021-08-31","val":113382,"accn":"0001017386-21-000454","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-10-15","frame":"CY2021Q3"},{"start":"2021-06-01","end":"2021-11-30","val":7740,"accn":"0001017386-22-000026","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-01-14"},{"start":"2021-06-01","end":"2022-02-28","val":17876,"accn":"0001017386-22-000166","fy":2021,"fp":"Q3","form":"10-Q","filed":"2022-04-19"}]}},"CashFDICInsuredAmount":{"label":"Cash, FDIC Insured Amount","description":"The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.","units":{"USD":[{"end":"2016-05-31","val":250000,"accn":"0001017386-16-000525","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-02","frame":"CY2016Q2I"},{"end":"2017-05-31","val":250000,"accn":"0001017386-17-000194","fy":2017,"fp":"FY","form":"10-K","filed":"2017-09-01","frame":"CY2017Q2I"},{"end":"2018-05-31","val":250000,"accn":"0001017386-18-000226","fy":2018,"fp":"FY","form":"10-K","filed":"2018-09-07"},{"end":"2018-05-31","val":250000,"accn":"0001017386-19-000137","fy":2018,"fp":"FY","form":"10-K/A","filed":"2019-05-30","frame":"CY2018Q2I"},{"end":"2018-11-30","val":250000,"accn":"0001017386-19-000016","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-01-15"},{"end":"2018-11-30","val":250000,"accn":"0001017386-19-000145","fy":2019,"fp":"Q2","form":"10-Q/A","filed":"2019-06-04"},{"end":"2018-11-30","val":250000,"accn":"0001017386-19-000165","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-06-14","frame":"CY2018Q4I"},{"end":"2019-05-31","val":250000,"accn":"0001017386-19-000258","fy":2019,"fp":"FY","form":"10-K","filed":"2019-09-20"},{"end":"2019-05-31","val":250000,"accn":"0001477932-19-005952","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-10-18","frame":"CY2019Q2I"},{"end":"2019-11-30","val":250000,"accn":"0001017386-20-000062","fy":2019,"fp":"Q2","form":"10-Q","filed":"2020-03-09","frame":"CY2019Q4I"},{"end":"2020-02-29","val":250000,"accn":"0001017386-20-000161","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-05-27","frame":"CY2020Q1I"},{"end":"2020-05-31","val":250000,"accn":"0001017386-20-000330","fy":2020,"fp":"FY","form":"10-K","filed":"2020-08-31","frame":"CY2020Q2I"},{"end":"2020-08-31","val":250000,"accn":"0001017386-20-000424","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-10-15","frame":"CY2020Q3I"},{"end":"2020-11-30","val":250000,"accn":"0001017386-21-000009","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-01-14"},{"end":"2020-11-30","val":250000,"accn":"0001017386-21-000040","fy":2021,"fp":"Q2","form":"10-Q/A","filed":"2021-02-12","frame":"CY2020Q4I"},{"end":"2021-02-28","val":250000,"accn":"0001017386-21-000108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-04-14","frame":"CY2021Q1I"},{"end":"2021-05-31","val":250000,"accn":"0001017386-21-000392","fy":2021,"fp":"FY","form":"10-K","filed":"2021-09-03","frame":"CY2021Q2I"},{"end":"2021-08-31","val":250000,"accn":"0001017386-21-000454","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-10-15","frame":"CY2021Q3I"},{"end":"2021-11-30","val":250000,"accn":"0001017386-22-000026","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-01-14","frame":"CY2021Q4I"},{"end":"2022-02-28","val":250000,"accn":"0001017386-22-000166","fy":2021,"fp":"Q3","form":"10-Q","filed":"2022-04-19","frame":"CY2022Q1I"}]}},"CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations":{"label":"Cash Provided by (Used in) Financing Activities, Discontinued Operations","description":"Amount of cash inflow (outflow) of financing activities of discontinued operations. 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Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2018-06-01","end":"2019-05-31","val":65527,"accn":"0001017386-19-000258","fy":2019,"fp":"FY","form":"10-K","filed":"2019-09-20","frame":"CY2018"}]}},"CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations":{"label":"Cash Provided by (Used in) Operating Activities, Discontinued Operations","description":"Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing 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Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2013-05-31","val":7500,"accn":"0001178924-14-000038","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-21"},{"end":"2013-05-31","val":7500,"accn":"0001178924-14-000086","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-10","frame":"CY2013Q2I"},{"end":"2020-05-31","val":61860,"accn":"0001017386-20-000330","fy":2020,"fp":"FY","form":"10-K","filed":"2020-08-31"},{"end":"2020-05-31","val":61860,"accn":"0001017386-20-000424","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-10-15"},{"end":"2020-05-31","val":61860,"accn":"0001017386-21-000009","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-01-14"},{"end":"2020-05-31","val":61860,"accn":"0001017386-21-000040","fy":2021,"fp":"Q2","form":"10-Q/A","filed":"2021-02-12"},{"end":"2020-05-31","val":61860,"accn":"0001017386-21-000108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-04-14","frame":"CY2020Q2I"},{"end":"2020-08-31","val":63286,"accn":"0001017386-20-000424","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-10-15","frame":"CY2020Q3I"},{"end":"2020-11-30","val":64704,"accn":"0001017386-21-000009","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-01-14"},{"end":"2020-11-30","val":64704,"accn":"0001017386-21-000040","fy":2021,"fp":"Q2","form":"10-Q/A","filed":"2021-02-12","frame":"CY2020Q4I"},{"end":"2021-02-28","val":63118,"accn":"0001017386-21-000108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-04-14","frame":"CY2021Q1I"}]}},"NotesReceivableNet":{"label":"Financing Receivable, after Allowance for Credit Loss","description":"Amount, after allowance for credit loss, of financing receivable. 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