Condensed 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, 2020	$ 307,889	$ 279	$ 138,966	$ 206,402	$ (29,385)	$ (8,373)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(20,501)	0	0	(20,501)	0	0
Other comprehensive income (loss)	1,291	0	0	0	0	1,291
Issuances of common stock	92	0	(68)	0	160	0
Issuance of deferred shares	0	0	(9,083)	0	9,083	0
Treasury shares sold to Employee Stock Purchase Plan	230	0	(186)	0	416	0
Treasury shares purchased to satisfy tax withholding obligations	(1,554)	0	0	0	(1,554)	0
Stock-based compensation expense	6,413	0	6,413	0	0	0
Balances, ending at Mar. 31, 2021	293,860	279	136,042	185,901	(21,280)	(7,082)
Balances, beginning at Dec. 31, 2020	304,289	279	133,957	198,774	(21,571)	(7,150)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(12,873)	0	0	(12,873)	0	0
Other comprehensive income (loss)	68	0	0	0	0	68
Issuances of common stock	92	0	(68)	0	160	0
Issuance of deferred shares	0	0	(16)	0	16	0
Treasury shares sold to Employee Stock Purchase Plan	75	0	(45)	0	120	0
Treasury shares purchased to satisfy tax withholding obligations	(5)	0	0	0	(5)	0
Stock-based compensation expense	2,214	0	2,214	0	0	0
Balances, ending at Mar. 31, 2021	293,860	279	136,042	185,901	(21,280)	(7,082)
Balances, beginning at Jun. 30, 2021	285,539	279	137,575	175,178	(20,744)	(6,749)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(77,356)	0	0	(77,356)	0	0
Other comprehensive income (loss)	(728)	0	0	0	0	(728)
Issuances of common stock	199	0	(189)	0	388	0
Issuance of deferred shares	0	0	(5,102)	0	5,102	0
Treasury shares sold to Employee Stock Purchase Plan	212	0	(221)	0	433	0
Treasury shares purchased to satisfy tax withholding obligations	(853)	0	0	0	(853)	0
Stock-based compensation expense	5,823	0	5,823	0	0	0
Balances, ending at Mar. 31, 2022	212,836	279	137,886	97,822	(15,674)	(7,477)
Balances, beginning at Dec. 31, 2021	245,610	279	135,913	132,721	(15,858)	(7,445)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(34,899)	0	0	(34,899)	0	0
Other comprehensive income (loss)	(32)	0	0	0	0	(32)
Treasury shares sold to Employee Stock Purchase Plan	69	0	(115)	0	184	0
Stock-based compensation expense	2,088	0	2,088	0	0	0
Balances, ending at Mar. 31, 2022	$ 212,836	$ 279	$ 137,886	$ 97,822	$ (15,674)	$ (7,477)