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, 2021	12,969,542
Balance at Sep. 30, 2021		$ 137	$ 92,935	$ 72,510	$ (16,320)	$ (6,805)	$ 142,457
Net income (loss)		0	0	(6,768)	0	0	(6,768)
Other comprehensive income (loss)		0	0	0	(142)	0	(142)
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	84,762
Issuance of common stock pursuant to the vesting of restricted stock units		1	0	0	0	0	1
Stock-based compensation		0	536	0	0	0	536
Net loss		0	0	(6,768)	0	0	(6,768)
Purchase of treasury stock (in shares)	(72,563)
Purchase of treasury stock		0	0	0	0	(695)	(695)
Other comprehensive loss		0	0	0	(142)	0	(142)
Balance (in shares) at Dec. 31, 2021	12,981,741
Balance at Dec. 31, 2021		138	93,471	65,742	(16,462)	(7,500)	135,389
Balance (in shares) at Sep. 30, 2021	12,969,542
Balance at Sep. 30, 2021		137	92,935	72,510	(16,320)	(6,805)	142,457
Net income (loss)							(14,816)
Other comprehensive income (loss)							943
Net loss							(14,816)
Other comprehensive loss							943
Balance (in shares) at Jun. 30, 2022	13,019,241
Balance at Jun. 30, 2022		139	94,276	57,694	(15,377)	(7,500)	129,232
Balance (in shares) at Dec. 31, 2021	12,981,741
Balance at Dec. 31, 2021		138	93,471	65,742	(16,462)	(7,500)	135,389
Net income (loss)		0	0	(1,474)	0	0	(1,474)
Other comprehensive income (loss)		0	0	0	(1,556)	0	(1,556)
Issuance of common stock pursuant to the vesting of restricted stock units (in shares)	37,500
Issuance of common stock pursuant to the vesting of restricted stock units		1	(1)	0	0	0	0
Stock-based compensation		0	418	0	0	0	418
Net loss		0	0	(1,474)	0	0	(1,474)
Other comprehensive loss		0	0	0	(1,556)	0	(1,556)
Balance (in shares) at Mar. 31, 2022	13,019,241
Balance at Mar. 31, 2022		139	93,888	64,268	(18,018)	(7,500)	132,777
Net income (loss)		0	0	(6,574)	0	0	(6,574)
Other comprehensive income (loss)		0	0	0	2,641	0	2,641
Stock-based compensation		0	388	0	0	0	388
Net loss		0	0	(6,574)	0	0	(6,574)
Other comprehensive loss		0	0	0	2,641	0	2,641
Balance (in shares) at Jun. 30, 2022	13,019,241
Balance at Jun. 30, 2022		139	94,276	57,694	(15,377)	(7,500)	129,232
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 (loss)		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
Net loss		0	0	(97)	0	0	(97)
Other comprehensive loss		0	0	0	14	0	14
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 (loss)							7,768
Other comprehensive income (loss)							(1,533)
Net loss							7,768
Other comprehensive 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 (loss)		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
Net loss		0	0	4,637	0	0	4,637
Other comprehensive loss		0	0	0	(1,341)	0	(1,341)
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 (loss)		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
Net loss		0	0	3,228	0	0	3,228
Other comprehensive loss		0	0	0	(206)	0	(206)
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