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 and exercises (net) (in shares)			56,083
Stock-based compensation and exercises (net)	1,502		$ 1,502
Net income (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, 2020			65,196,882
Balance at Jun. 30, 2020	98,215	$ 348	$ 401,240	(303,025)	$ 348
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(11,363)
Balance (in shares) at Mar. 31, 2021			71,081,313
Balance at Mar. 31, 2021	146,019		$ 460,059	(314,040)
Balance (in shares) at Sep. 30, 2020			65,252,965
Balance at Sep. 30, 2020	93,452		$ 402,742	(309,290)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation and exercises (net) (in shares)			32,709
Stock-based compensation and exercises (net)	1,691		$ 1,691
Net income (loss)	(2,902)			(2,902)
Balance (in shares) at Dec. 31, 2020			65,285,674
Balance at Dec. 31, 2020	92,241		$ 404,433	(312,192)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in relation to private placement, net of offering costs incurred (in shares)			5,730,000
Issuance of common stock in relation to private placement, net of offering costs incurred	$ 52,410		$ 52,410
Exercise of warrants (in shares)	12,154
Stock based compensation and exercises (net) (in shares)			53,485
Stock-based compensation and exercises (net)	$ 3,216		$ 3,216
Net income (loss)	(1,848)			(1,848)
Balance (in shares) at Mar. 31, 2021			71,081,313
Balance at Mar. 31, 2021	146,019		$ 460,059	(314,040)
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 and exercises (net) (in shares)			20,958
Stock-based compensation and exercises (net)	$ 1,762		$ 1,762
Retirement of common stock (in shares)	(319,823)
Net income (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)
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]
Net income (loss)	377
Balance (in shares) at Mar. 31, 2022			71,097,674
Balance at Mar. 31, 2022	157,243		$ 468,248	(311,005)
Balance (in shares) at Sep. 30, 2021			70,959,182
Balance at Sep. 30, 2021	151,864		$ 464,537	(312,673)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation and exercises (net) (in shares)			28,316
Stock-based compensation and exercises (net)	1,453		$ 1,453
Net income (loss)	(468)			(468)
Balance (in shares) at Dec. 31, 2021			70,987,498
Balance at Dec. 31, 2021	152,849		$ 465,990	(313,141)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation and exercises (net) (in shares)			110,176
Stock-based compensation and exercises (net)	2,258		$ 2,258
Net income (loss)	2,136			2,136
Balance (in shares) at Mar. 31, 2022			71,097,674
Balance at Mar. 31, 2022	$ 157,243		$ 468,248	$ (311,005)