Consolidated Statement of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Preferred Stock [Member] Series D Preferred Stock [Member]	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Jun. 30, 2020	281	7,850
Balance at Jun. 30, 2020	$ 0	$ 190,599	$ (4,129)	$ 13,934	$ (199,779)	$ 0	$ 625
Net unrealized losses, net of zero tax expense	$ 0	$ 0	0	0	0	(23)	(23)
Stock Issued During Period, Shares, New Issues (in shares)	0	39,585
Issuance of shares, net of offering issuance costs of $5,685	$ 0	$ 40		63,413	0	0	67,582
Issuance of shares, net of offering issuance costs of $5,685			4,129
Stock-based compensation	$ 0	$ 2	0	630	0	0	632
Stock-based compensation (in shares)		2,087
Cancelation of restricted stock (in shares)	0	(71)
Cancelation of restricted stock	$ 0	$ 0	0	(6)	0	0	(6)
Net loss	$ 0	$ 0	0	0	(7,603)	0	(7,603)
Balance (in shares) at Jun. 30, 2021	281	49,451
Balance at Jun. 30, 2021	$ 0	$ 190,641	0	77,971	(207,382)	(23)	61,207
Net unrealized losses, net of zero tax expense	0	0	0	0	0	(1,176)	(1,176)
Stock-based compensation	$ 0	$ 1	0	1,534	0	0	1,535
Stock-based compensation (in shares)	0	1,371
Cancelation of restricted stock (in shares)	0	(254)
Cancelation of restricted stock	$ 0	$ 0	0	0	0	0	0
Net loss	$ 0	$ 0	0	0	(8,330)	0	(8,330)
Balance (in shares) at Jun. 30, 2022	281	50,568
Balance at Jun. 30, 2022	$ 0	$ 190,642	$ 0	$ 79,505	$ (215,712)	$ (1,199)	$ 53,236