Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock Outstanding [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Sep. 30, 2022	13,021,241
Balance at Sep. 30, 2022		$ 139	$ 94,667	$ 49,654	$ (15,313)	$ (7,500)	$ 121,647
Net income		0	0	(97)	0	0	(97)
Other comprehensive income (loss)		0	0	0	14	0	14
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	109,748
Issuance of common stock pursuant to the vesting of restricted stock units		1	0	0	0	0	1
Stock-based compensation		0	370	0	0	0	370
Balance (in shares) at Dec. 31, 2022	13,130,989
Balance at Dec. 31, 2022		140	95,037	49,557	(15,299)	(7,500)	121,935
Balance (in shares) at Sep. 30, 2022	13,021,241
Balance at Sep. 30, 2022		139	94,667	49,654	(15,313)	(7,500)	121,647
Net income							7,768
Other comprehensive income (loss)							(1,533)
Balance (in shares) at Jun. 30, 2023	13,186,489
Balance at Jun. 30, 2023		140	95,741	57,422	(16,846)	(7,500)	128,957
Balance (in shares) at Dec. 31, 2022	13,130,989
Balance at Dec. 31, 2022		140	95,037	49,557	(15,299)	(7,500)	121,935
Net income		0	0	4,637	0	0	4,637
Other comprehensive income (loss)		0	0	0	(1,341)	0	(1,341)
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	40,500
Issuance of common stock pursuant to the vesting of restricted stock units		0	0	0	0	0	0
Stock-based compensation		0	306	0	0	0	306
Balance (in shares) at Mar. 31, 2023	13,171,489
Balance at Mar. 31, 2023		140	95,343	54,194	(16,640)	(7,500)	125,537
Net income		0	0	3,228	0	0	3,228
Other comprehensive income (loss)		0	0	0	(206)	0	(206)
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	15,000
Issuance of common stock pursuant to the vesting of restricted stock units		0	0	0	0	0	0
Stock-based compensation		0	398	0	0	0	398
Balance (in shares) at Jun. 30, 2023	13,186,489
Balance at Jun. 30, 2023		140	95,741	57,422	(16,846)	(7,500)	128,957
Balance (in shares) at Sep. 30, 2023	13,188,489
Balance at Sep. 30, 2023		140	96,040	61,860	(17,824)	(7,500)	132,716
Net income		0	0	12,679	0	0	12,679
Other comprehensive income (loss)		0	0	0	506	0	506
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	128,601
Issuance of common stock pursuant to the vesting of restricted stock units		2	(2)	0	0	0	0
Stock-based compensation		0	406	0	0	0	406
Balance (in shares) at Dec. 31, 2023	13,317,090
Balance at Dec. 31, 2023		142	96,444	74,539	(17,318)	(7,500)	146,307
Balance (in shares) at Sep. 30, 2023	13,188,489
Balance at Sep. 30, 2023		140	96,040	61,860	(17,824)	(7,500)	132,716
Net income							6,282
Other comprehensive income (loss)							393
Balance (in shares) at Jun. 30, 2024	13,070,615
Balance at Jun. 30, 2024		142	97,067	68,142	(17,431)	(10,499)	137,421
Balance (in shares) at Dec. 31, 2023	13,317,090
Balance at Dec. 31, 2023		142	96,444	74,539	(17,318)	(7,500)	146,307
Net income		0	0	(4,327)	0	0	(4,327)
Other comprehensive income (loss)		0	0	0	(142)	0	(142)
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	45,000
Issuance of common stock pursuant to the vesting of restricted stock units		0	0	0	0	0	0
Stock-based compensation		0	356	0	0	0	356
Balance (in shares) at Mar. 31, 2024	13,362,090
Balance at Mar. 31, 2024		142	96,800	70,212	(17,460)	(7,500)	142,194
Net income		0	0	(2,070)	0	0	(2,070)
Other comprehensive income (loss)		0	0	0	29	0	29
Stock-based compensation		0	267	0	0	0	267
Balance (in shares) at Jun. 30, 2024	13,070,615
Purchase of treasury stock (in shares)	(291,475)
Purchase of treasury stock		0	0	0	0	(2,999)	(2,999)
Balance at Jun. 30, 2024		$ 142	$ 97,067	$ 68,142	$ (17,431)	$ (10,499)	$ 137,421