Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Impact of adoption of ASC 326	Common Stock	Accumulated Deficit	Accumulated Deficit Impact of adoption of ASC 326
Balance (in shares) at Jun. 30, 2020			65,196,882
Balance at Jun. 30, 2020	$ 98,215	$ 348	$ 401,240	$ (303,025)	$ 348
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation (in shares)			56,083
Stock-based compensation and exercises (net)	1,502		$ 1,502
Net loss	(6,613)			(6,613)
Balance (in shares) at Sep. 30, 2020			65,252,965
Balance at Sep. 30, 2020	93,452		$ 402,742	(309,290)
Balance (in shares) at Jun. 30, 2021			71,258,047
Balance at Jun. 30, 2021	151,393		$ 462,775	(311,382)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation (in shares)			20,958
Stock-based compensation and exercises (net)	$ 1,762		$ 1,762
Retirement of common stock (in shares)	(319,823)
Net loss	$ (1,291)			(1,291)
Balance (in shares) at Sep. 30, 2021			70,959,182
Balance at Sep. 30, 2021	$ 151,864		$ 464,537	$ (312,673)