CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Preferred stock, par value (in US$ per share)	$ 1.00	$ 1.00
Preferred Stock, Shares Authorized (in shares)	500,000	500,000
Preferred Stock, Shares Outstanding	14,700	14,700
Preferred stock, issued (in shares)	14,700	14,700
Liquidation preference	$ 16,463	$ 16,178
Common stock, par value (in US$ per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	25,000,000	25,000,000
Common stock, shares issued (in shares)	17,591,084	17,347,774
Common stock, shares outstanding (in shares)	17,591,084	17,347,774
Preferred Class A [Member]
Preferred Stock, Shares Authorized (in shares)	21,000	21,000