Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balances (in shares) at Jun. 30, 2021	141,915,266
Balances at Jun. 30, 2021	$ 142	$ 158,589	$ (91,325)	$ 67,406
Share-based compensation		596		596
Net loss			(2,243)	$ (2,243)
Issuance of common stock pursuant to exercise of options (in shares)				0
Balances (in shares) at Sep. 30, 2021	141,915,266
Balances at Sep. 30, 2021	$ 142	159,185	(93,568)	$ 65,759
Balances (in shares) at Jun. 30, 2022	142,040,266
Balances at Jun. 30, 2022	$ 142	159,732	(98,597)	61,277
Share-based compensation		465		465
Net loss			(4,068)	$ (4,068)
Issuance of common stock pursuant to exercise of options (in shares)	72,500			72,500
Issuance of common stock pursuant to exercise of options		28		$ 28
Balances (in shares) at Sep. 30, 2022	142,112,766
Balances at Sep. 30, 2022	$ 142	$ 160,225	$ (102,665)	$ 57,702