Consolidated Statements of Changes in Stockholders Equity (Unaudited) - USD ($) $ in Thousands	Total	Series A Preferred Stocks [Member]	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Balance, shares at Jun. 30, 2021		4,300,000,000	75,037,890,000
Balance, amount at Jun. 30, 2021	$ 1,323	$ 0	$ 750	$ 6,166	$ (5,593)
Stock-based compensation expense	$ 10	0	$ 0	10	0
Stock option exercises, shares	250,000		222,543,000
Stock option exercises, amount	$ 3	0	$ 2	1	0
Net income for the six months ended December 31, 2021	394	$ 0	$ 0	0	394
Balance, shares at Dec. 31, 2021		4,300,000,000	75,260,433,000
Balance, amount at Dec. 31, 2021	1,730	$ 0	$ 752	6,177	(5,199)
Balance, shares at Sep. 30, 2021		4,300,000,000	75,037,890,000
Balance, amount at Sep. 30, 2021	1,554	$ 0	$ 750	6,170	(5,366)
Stock-based compensation expense	6	0	$ 0	6	0
Stock option exercises, shares			22,543,000
Stock option exercises, amount	3	0	$ 2	1	0
Net income for the six months ended December 31, 2021	167	$ 0	$ 0	0	167
Balance, shares at Dec. 31, 2021		4,300,000,000	75,260,433,000
Balance, amount at Dec. 31, 2021	1,730	$ 0	$ 752	6,177	(5,199)
Balance, shares at Jun. 30, 2022		4,300,000,000	76,046,249,000
Balance, amount at Jun. 30, 2022	1,954	$ 0	$ 760	6,183	(4,989)
Stock-based compensation expense	$ 22	0	$ 0	22	0
Stock option exercises, shares	475,000		464,756,000
Stock option exercises, amount	$ 11	0	$ 5	6	0
Net income for the six months ended December 31, 2021	1,188	$ 0	$ 0	0	1,188
Balance, shares at Dec. 31, 2022		4,300,000,000	76,511,005,000
Balance, amount at Dec. 31, 2022	3,175	$ 0	$ 765	6,211	(3,801)
Balance, shares at Sep. 30, 2022		4,300,000,000	76,046,249,000
Balance, amount at Sep. 30, 2022	2,458	$ 0	$ 760	6,195	(4,497)
Stock-based compensation expense	10	0	$ 0	10	0
Stock option exercises, shares			464,756,000
Stock option exercises, amount	11	0	$ 5	6	0
Net income for the six months ended December 31, 2021	695	$ 0	$ 0	0	695
Balance, shares at Dec. 31, 2022		4,300,000,000	76,511,005,000
Balance, amount at Dec. 31, 2022	$ 3,175	$ 0	$ 765	$ 6,211	$ (3,801)