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Cash and Cash Equivalents
3 Months Ended
Sep. 30, 2019
Cash And Cash Equivalents [Abstract]  
Cash and Cash Equivalents

10.      Cash and cash equivalents — Cash and cash equivalents include credit card receivables and all highly liquid instruments with original maturities of three months or less. Cash equivalents are carried at cost, which approximates fair value.  At September 30, 2019 and June 30, 2019, credit card receivables from third party consumer credit card providers were $3.4 million and $9.7 million, respectively.  Such receivables are generally collected within one week of the balance sheet date.