Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Mar. 31, 2023	6,271,971
Balance at Mar. 31, 2023	$ 125	$ 33,856	$ (17,634)	$ 16,347
Issuances of common stock for Directors Stock Grants (in shares)	159,493
Issuances of common stock for Directors Stock Grants	$ 3	123	0	126
Issuances of common stock to Directors in lieu of cash for prior year board fees (in shares)	17,672
Issuances of common stock to Directors in lieu of cash for prior year board fees	$ 0	15	0	15
Issuances of vested shares of restricted stock (in shares)	37,996
Issuances of vested shares of restricted stock	$ 1	(12)	0	(11)
Shares withheld for tax payments (in shares)	(13,353)
Shares withheld for tax payments	$ 0	0	0	0
Share-based compensation expense	0	96	0	96
Net income (loss)	0	0	(2,166)	(2,166)
Net loss	$ 0	0	(2,166)	(2,166)
Balance (in shares) at Sep. 30, 2023	6,473,779
Balance at Sep. 30, 2023	$ 129	34,078	(19,800)	14,407
Balance (in shares) at Jun. 30, 2023	6,291,086
Balance at Jun. 30, 2023	$ 126	33,917	(19,003)	15,040
Issuances of common stock for Directors Stock Grants (in shares)	159,493
Issuances of common stock for Directors Stock Grants	$ 3	123	0	126
Issuances of vested shares of restricted stock (in shares)	35,718
Issuances of vested shares of restricted stock	$ 0	(11)	0	(11)
Shares withheld for tax payments (in shares)	(12,518)
Shares withheld for tax payments	$ 0	0	0	0
Share-based compensation expense	0	49	0	49
Net income (loss)	0	0	(797)	(797)
Net loss	$ 0	0	(797)	(797)
Balance (in shares) at Sep. 30, 2023	6,473,779
Balance at Sep. 30, 2023	$ 129	34,078	(19,800)	14,407
Balance (in shares) at Mar. 31, 2024	6,947,246
Balance at Mar. 31, 2024	$ 139	34,576	(22,901)	11,814
Issuances of common stock for Directors Stock Grants (in shares)	116,049
Issuances of common stock for Directors Stock Grants	$ 2	92	0	94
Issuances of common stock to Directors in lieu of cash for current year board fees (in shares)	13,334
Issuances of common stock to Directors in lieu of cash for current year board fees	$ 0	10	0	10
Issuances of common stock to Directors in lieu of cash for prior year board fees (in shares)	53,333
Issuances of common stock to Directors in lieu of cash for prior year board fees	$ 1	39		40
Issuances of vested shares of restricted stock (in shares)	20,456
Issuances of vested shares of restricted stock	$ 1	(5)	0	(4)
Shares withheld for tax payments (in shares)	(7,718)
Shares withheld for tax payments	$ 0	0	0	0
Share-based compensation expense	0	90	0	90
Net income (loss)	0	0	(2,352)	(2,352)
Net loss	$ 0	0	(2,352)	(2,352)
Balance (in shares) at Sep. 30, 2024	7,142,700
Balance at Sep. 30, 2024	$ 143	34,802	(25,253)	9,692
Balance (in shares) at Jun. 30, 2024	6,948,379
Balance at Jun. 30, 2024	$ 139	34,624	(24,103)	10,660
Issuances of common stock for Directors Stock Grants (in shares)	116,049
Issuances of common stock for Directors Stock Grants	$ 2	92	0	94
Issuances of common stock to Directors in lieu of cash for current year board fees (in shares)	13,334
Issuances of common stock to Directors in lieu of cash for current year board fees	$ 0	10	0	10
Issuances of common stock to Directors in lieu of cash for prior year board fees (in shares)	53,333
Issuances of common stock to Directors in lieu of cash for prior year board fees	$ 1	39		40
Issuances of vested shares of restricted stock (in shares)	18,608
Issuances of vested shares of restricted stock	$ 1	(5)	0	(4)
Shares withheld for tax payments (in shares)	(7,003)
Shares withheld for tax payments	$ 0	0	0	0
Share-based compensation expense	0	42	0	42
Net income (loss)	0	0	(1,150)	(1,150)
Net loss	$ 0	0	(1,150)	(1,150)
Balance (in shares) at Sep. 30, 2024	7,142,700
Balance at Sep. 30, 2024	$ 143	$ 34,802	$ (25,253)	$ 9,692