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	$ 65,260	$ 149,243	$ 135,302
Cost of sales	50,937	46,943	106,655	97,187
Gross profit	20,062	18,317	42,588	38,115
Operating expenses:
General and administrative	11,962	9,859	27,673	19,244
Advertising	5,512	3,879	12,777	10,228
Depreciation and amortization	1,713	858	3,391	1,611
Total operating expenses	19,187	14,596	43,841	31,083
Income (loss) from operations	875	3,721	(1,253)	7,032
Other income (expense):
Interest income (expense), net	151	(14)	345	(288)
Other, net	254	261	760	459
Total other income	405	247	1,105	171
Income (loss) before provision for income taxes	1,280	3,968	(148)	7,203
Provision for income taxes	565	1,087	273	1,635
Net income (loss)	$ 715	$ 2,881	$ (421)	$ 5,568
Net income (loss) per common share:
Basic (in dollars per share)	$ 0.04	$ 0.14	$ (0.02)	$ 0.28
Diluted (in dollars per share)	$ 0.03	$ 0.14	$ (0.02)	$ 0.27
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)	20,780,455	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