Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income(Loss)
Balances, beginning at Jun. 30, 2019	$ 351,957	$ 279	$ 137,712	$ 239,476	$ (17,759)	$ (7,751)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(33,074)	0	0	(33,074)	0	0
Other comprehensive income (loss)	(622)	0	0	0	0	(622)
Treasury Shares Sold to Employee Stock Purchase Plan	320	0	(19)	0	339	0
Issuance of deferred shares	0	0	(8,604)	0	8,604	0
Treasury shares repurchased to satisfy tax withholding obligations	(3,524)	0	0	0	(3,524)	0
Open market purchase of treasury shares	(17,045)	0	0	0	(17,045)	0
Stock-based compensation expense	9,877	0	9,877	0	0	0
Balances, ending at Jun. 30, 2020	307,889	279	138,966	206,402	(29,385)	(8,373)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(31,224)	0	0	(31,224)	0	0
Other comprehensive income (loss)	1,624	0	0	0	0	1,624
Treasury Shares Sold to Employee Stock Purchase Plan	299	0	(207)	0	506	0
Exercise of stock options	349	0	(257)	0	606	0
Issuance of deferred shares	0	0	(9,083)	0	9,083	0
Treasury shares repurchased to satisfy tax withholding obligations	(1,554)	0	0	0	(1,554)	0
Stock-based compensation expense	8,156	0	8,156	0	0	0
Balances, ending at Jun. 30, 2021	285,539	279	137,575	175,178	(20,744)	(6,749)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(63,900)	0	0	(63,900)	0	0
Other comprehensive income (loss)	(1,426)	0	0	0	0	(1,426)
Treasury Shares Sold to Employee Stock Purchase Plan	270	0	(307)	0	577	0
Exercise of stock options	199	0	(189)	0	388	0
Issuance of deferred shares	0	0	(5,102)	0	5,102	0
Treasury shares repurchased to satisfy tax withholding obligations	(853)	0	0	0	(853)	0
Stock-based compensation expense	7,877	0	7,877	0	0	0
Balances, ending at Jun. 30, 2022	$ 227,706	$ 279	$ 139,854	$ 111,278	$ (15,530)	$ (8,175)