Condensed Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Loss	Retained Earnings
Balance (in shares) at Sep. 30, 2022		35,724,057
Balance at Sep. 30, 2022	$ 154,536	$ 36	$ 258,275		$ (10,285)	$ (30,936)
Balance (in shares) at Sep. 30, 2022				(3,813,199)
Increase (Decrease) in Stockholders' Equity
Net income	3,967					3,967
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units (in shares)		190,119
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units	495		495
Taxes paid associated with net settlement of stock compensation awards (in shares)		(14,536)
Taxes paid associated with net settlement of stock compensation awards	(244)		(244)
Common stock repurchased	(7,199)			$ (7,199)
Common stock repurchased (in shares)				(531,819)
Stock compensation expense	2,126		2,126
Balance (in shares) at Dec. 31, 2022		35,899,640
Balance at Dec. 31, 2022	154,953	$ 36	260,653		(9,012)	(26,970)
Balance (in shares) at Dec. 31, 2022				(4,345,018)
Balance (in shares) at Sep. 30, 2022		35,724,057
Balance at Sep. 30, 2022	154,536	$ 36	258,275		(10,285)	(30,936)
Balance (in shares) at Sep. 30, 2022				(3,813,199)
Increase (Decrease) in Stockholders' Equity
Net income	14,698
Balance (in shares) at Jun. 30, 2023		36,115,562
Balance at Jun. 30, 2023	155,809	$ 36	264,162		(8,124)	(16,238)
Balance (in shares) at Jun. 30, 2023				(5,432,546)
Balance (in shares) at Dec. 31, 2022		35,899,640
Balance at Dec. 31, 2022	154,953	$ 36	260,653		(9,012)	(26,970)
Balance (in shares) at Dec. 31, 2022				(4,345,018)
Increase (Decrease) in Stockholders' Equity
Net income	4,245					4,245
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units (in shares)		184,791
Taxes paid associated with net settlement of stock compensation awards (in shares)		(34,713)
Taxes paid associated with net settlement of stock compensation awards	(492)		(492)
Common stock repurchased	(9,814)			$ (9,814)
Common stock repurchased (in shares)				(749,903)
Stock compensation expense	1,939		1,939
Balance (in shares) at Mar. 31, 2023		36,049,718
Balance at Mar. 31, 2023	151,074	$ 36	262,118		(8,769)	(22,725)
Balance (in shares) at Mar. 31, 2023				(5,096,341)
Increase (Decrease) in Stockholders' Equity
Net income	6,487					6,487
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units (in shares)		87,515
Taxes paid associated with net settlement of stock compensation awards (in shares)		(21,671)
Taxes paid associated with net settlement of stock compensation awards	(324)		(324)
Common stock repurchased	(4,268)			$ (4,268)
Common stock repurchased (in shares)				(325,410)
Shares swapped to exercise stock options			173	$ (173)
Shares swapped to exercise stock options (in shares)				(10,795)
Stock compensation expense	2,195		2,195
Balance (in shares) at Jun. 30, 2023		36,115,562
Balance at Jun. 30, 2023	$ 155,809	$ 36	264,162		(8,124)	(16,238)
Balance (in shares) at Jun. 30, 2023				(5,432,546)
Balance (in shares) at Sep. 30, 2023	36,142,346	36,142,345
Balance at Sep. 30, 2023	$ 161,533	$ 36	265,945	$ (84,031)	(10,458)	(9,958)
Balance (in shares) at Sep. 30, 2023	5,433,045			(5,433,045)
Increase (Decrease) in Stockholders' Equity
Net income	$ 1,907					1,907
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units (in shares)		59,471
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units	127		127
Taxes paid associated with net settlement of stock compensation awards (in shares)		(12,058)
Taxes paid associated with net settlement of stock compensation awards	(224)		(224)
Common stock repurchased	(1,171)			$ (1,171)
Common stock repurchased (in shares)				(68,692)
Stock compensation expense	2,249		2,249
Foreign currency translation	958				958
Balance (in shares) at Dec. 31, 2023		36,189,758
Balance at Dec. 31, 2023	$ 165,379	$ 36	268,096	$ (85,202)	(9,500)	(8,051)
Balance (in shares) at Dec. 31, 2023				(5,501,737)
Balance (in shares) at Sep. 30, 2023	36,142,346	36,142,345
Balance at Sep. 30, 2023	$ 161,533	$ 36	265,945	$ (84,031)	(10,458)	(9,958)
Balance (in shares) at Sep. 30, 2023	5,433,045			(5,433,045)
Increase (Decrease) in Stockholders' Equity
Net income	$ 13,616
Balance (in shares) at Jun. 30, 2024	36,525,606	36,525,606		(5,997,932)
Balance at Jun. 30, 2024	$ 171,970	$ 36	271,825	$ (93,482)	(10,067)	3,658
Balance (in shares) at Jun. 30, 2024	5,997,932
Balance (in shares) at Dec. 31, 2023		36,189,758
Balance at Dec. 31, 2023	$ 165,379	$ 36	268,096	$ (85,202)	(9,500)	(8,051)
Balance (in shares) at Dec. 31, 2023				(5,501,737)
Increase (Decrease) in Stockholders' Equity
Net income	5,709					5,709
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units (in shares)		353,069
Taxes paid associated with net settlement of stock compensation awards (in shares)		(66,464)
Taxes paid associated with net settlement of stock compensation awards	(1,142)		(1,142)
Common stock repurchased	(7,907)			$ (7,907)
Common stock repurchased (in shares)				(473,953)
Stock compensation expense	2,343		2,343
Foreign currency translation	(457)				(457)
Balance (in shares) at Mar. 31, 2024		36,476,363
Balance at Mar. 31, 2024	163,925	$ 36	269,297	$ (93,109)	(9,957)	(2,342)
Balance (in shares) at Mar. 31, 2024				(5,975,690)
Increase (Decrease) in Stockholders' Equity
Net income	6,000					6,000
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units (in shares)		53,921
Taxes paid associated with net settlement of stock compensation awards (in shares)		(4,678)
Taxes paid associated with net settlement of stock compensation awards	(89)		(89)
Common stock repurchased	(373)			$ (373)
Common stock repurchased (in shares)				(22,242)
Stock compensation expense	2,617		2,617
Foreign currency translation	$ (110)				(110)
Balance (in shares) at Jun. 30, 2024	36,525,606	36,525,606		(5,997,932)
Balance at Jun. 30, 2024	$ 171,970	$ 36	$ 271,825	$ (93,482)	$ (10,067)	$ 3,658
Balance (in shares) at Jun. 30, 2024	5,997,932