Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Jun. 30, 2019	29,600,843			34,900
Balance at Jun. 30, 2019	$ 59	$ 50,197	$ (48,264)	$ (99)	$ 1,893
Stock compensation expense employee stock options		15			15
Net income			312		312
Balance (in shares) at Sep. 30, 2019	29,600,843			34,900
Balance at Sep. 30, 2019	$ 59	50,212	(47,952)	$ (99)	2,220
Balance (in shares) at Jun. 30, 2020	29,680,843			34,900
Balance at Jun. 30, 2020	$ 59	50,263	(44,156)	$ (99)	6,067
Stock compensation expense employee stock options		8			8
Net income			1,041		1,041
Balance (in shares) at Sep. 30, 2020	29,680,843			34,900
Balance at Sep. 30, 2020	$ 59	$ 50,271	$ (43,115)	$ (99)	$ 7,116