Condensed Consolidated Statements of (Loss) Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Sales	$ 70,999	$ 65,394	$ 149,243	$ 135,581
Cost of sales	50,937	46,943	106,655	97,187
Gross profit	20,062	18,451	42,588	38,394
Operating expenses:
General and administrative	13,278	10,753	28,989	20,104
Advertising	5,512	3,879	12,777	10,228
Depreciation and amortization	1,713	858	3,391	1,611
Total operating expenses	20,503	15,490	45,157	31,943
(Loss) income from operations	(441)	2,961	(2,569)	6,451
Other income:
Interest income, net	570	388	1,190	505
Other, net	254	261	760	459
Total other income	824	649	1,950	964
Income (loss) before provision for income taxes	383	3,610	(619)	7,415
Provision for income taxes	453	1,031	338	2,061
Net (loss) income	$ (70)	$ 2,579	$ (957)	$ 5,354
Net (loss) income per common share:
Basic (in dollars per share)	$ (0.00)	$ 0.13	$ (0.05)	$ 0.26
Diluted (in dollars per share)	$ (0.00)	$ 0.13	$ (0.05)	$ 0.26
Weighted average number of common shares outstanding:
Basic (in shares)	20,382,979	20,261,114	20,357,752	20,234,904
Diluted (in shares)	20,382,979	20,343,980	20,357,752	20,317,522
Cash dividends declared per common share (in dollars per share)	$ 0.30	$ 0.30	$ 0.60	$ 0.60