CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 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
Liquidation preference	$ 16,038	$ 15,624
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)	17,231,473	17,042,132
Common stock, shares outstanding (in shares)	17,231,473	17,042,132
Cumulative Preferred Stock
Preferred Stock, Shares Authorized (in shares)	21,000	21,000
Preferred stock, issued (in shares)	14,700	14,700