Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2021	Jun. 30, 2020
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	49,450,558	8,250,286
Common stock, shares outstanding (in shares)	49,450,558	7,850,362
Treasury stock, shares at cost (in shares)	0	399,916
Convertible Preferred Stock
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	2,500,000	2,500,000
Series D Convertible Preferred Stock
Preferred stock, shares issued (in shares)	280,898	280,898
Preferred stock, shares outstanding (in shares)	280,898	280,898

Face amount per share of no-par value common stock.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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