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Marketable Securities (Tables)
12 Months Ended
Jun. 30, 2021
Marketable Securities  
Schedule of net gains and losses of marketable securities

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June 30, 

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2021

Net gains recognized during the period on marketable securities

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$

—

Less: Net gains recognized during the year on marketable securities sold during the period

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—

Unrealized (losses) gains recognized during the reporting year on marketable securities still held at the reporting date

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(9)

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$

(9)