Restatement of Previously Issued Financial Statements - Consolidated Statements of (Loss) Income (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Sales	$ 65,317	$ 58,870	$ 214,560	$ 194,172
Cost of sales	47,434	43,632	154,089	140,819
Gross profit	17,883	15,238	60,471	53,353
Operating expenses:
General and administrative	13,425	10,425	41,098	29,669
Advertising	5,762	4,641	18,539	14,869
Depreciation and amortization	1,770	941	5,161	2,552
Total operating expenses	20,957	16,007	64,798	47,090
(Loss) income from operations	(3,074)	(769)	(4,327)	6,263
Other income:
Interest income, net	136	299	481	11
Other, net	293	259	1,053	718
Total other income	429	558	1,534	729
(Loss) income before provision for income taxes	(2,645)	(211)	(2,793)	6,992
(Benefit) provision for income taxes	(618)	1	(345)	1,636
Net (loss) income	$ (2,027)	$ (212)	$ (2,448)	$ 5,356
Net (loss) income per common share:
Basic (in dollars per share)	$ (0.10)	$ (0.01)	$ (0.12)	$ 0.26
Diluted (in dollars per share)	$ (0.10)	$ (0.01)	$ (0.12)	$ 0.26
Weighted average number of common shares outstanding:
Basic (in shares)	20,425,282	20,301,384	20,380,262	20,257,145
Diluted (in shares)	20,425,282	20,301,384	20,380,262	20,339,064
Cash dividends declared per common share (in dollars per share)	$ 0	$ 0.30	$ 0.60	$ 0.90
Common shares issuable upon vesting of restricted stock (in shares)	0	0	0	71,794
Common shares issuable upon conversion of preferred shares (in shares)	0	0	0	10,125
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Sales		$ 58,870		$ 194,451
Cost of sales		43,632		140,819
Gross profit		15,238		53,632
Operating expenses:
General and administrative		10,425		30,529
Advertising		4,641		14,869
Depreciation and amortization		941		2,552
Total operating expenses		16,007		47,950
(Loss) income from operations		(769)		5,682
Other income:
Interest income, net		708		1,213
Other, net		259		718
Total other income		967		1,931
(Loss) income before provision for income taxes		198		7,613
(Benefit) provision for income taxes		217		2,278
Net (loss) income		$ (19)		$ 5,335
Net (loss) income per common share:
Basic (in dollars per share)		$ 0		$ 0.26
Diluted (in dollars per share)		$ 0		$ 0.26
Weighted average number of common shares outstanding:
Basic (in shares)		20,301,384		20,257,145
Diluted (in shares)		20,301,384		20,339,064
Cash dividends declared per common share (in dollars per share)		$ 0.30		$ 0.90
Common shares issuable upon vesting of restricted stock (in shares)		0		71,794
Common shares issuable upon conversion of preferred shares (in shares)		0		10,125
Restatement Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Sales		$ 0		$ (279)
Cost of sales		0		0
Gross profit		0		(279)
Operating expenses:
General and administrative		0		(860)
Advertising		0		0
Depreciation and amortization		0		0
Total operating expenses		0		(860)
(Loss) income from operations		0		581
Other income:
Interest income, net		(409)		(1,202)
Other, net		0		0
Total other income		(409)		(1,202)
(Loss) income before provision for income taxes		(409)		(621)
(Benefit) provision for income taxes		(216)		(642)
Net (loss) income		$ (193)		$ 21
Net (loss) income per common share:
Basic (in dollars per share)		$ (0.01)		$ 0
Diluted (in dollars per share)		$ (0.01)		$ 0
Weighted average number of common shares outstanding:
Basic (in shares)		0		0
Diluted (in shares)		0		0
Cash dividends declared per common share (in dollars per share)		$ 0		$ 0