Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2020	Jun. 30, 2020
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	200,000	200,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.025	$ 0.025
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	12,029,910	12,029,910
Treasury stock, shares	95,396	95,396