Summary of Significant Accounting Policies - Narrative (Details) shares in Millions			3 Months Ended		9 Months Ended
	Mar. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2023 USD ($) shares	Mar. 31, 2022 USD ($) shares	Mar. 31, 2023 USD ($) region segment shares	Mar. 31, 2022 USD ($) shares
Concentration Risk [Line Items]
Foreign currency transaction gain (loss), realized			$ 36,000	$ (100,000)	$ (200,000)	$ (400,000)
Derivative instruments, realized gain (loss)			0	0	0	(100,000)
Bad debt expenses			0	0	0	0
Inventory valuation reserves	$ 1,000,000	$ 1,300,000	$ 1,000,000		$ 1,000,000
Money back guarantee period					30 days
Return period for resalable and restockable Items					12 months
Refund percent for resalable and restockable Items	100.00%		100.00%		100.00%
Handling and restocking fee, percentage (as a percent)	10.00%		10.00%		10.00%
Return liability reserve	$ 100,000	100,000	$ 100,000		$ 100,000
Research and development			200,000	100,000	400,000	600,000
Present value of lease liabilities	13,693,000		13,693,000		13,693,000
Loss on contract termination					400,000
Income tax expense			$ 643,000	$ 610,000	$ 869,000	$ 1,149,000
Antidilutive securities excluded from EPS calculation (in shares) | shares			0.1	0.1	0.3	0.2
Number of geographic segments | region					2
Number of operating segments | segment					1
Showrooms
Concentration Risk [Line Items]
Present value of lease liabilities	0		$ 0		$ 0
Cash accounts held primarily at One Financial Institution
Concentration Risk [Line Items]
Concentration of credit risk	14,800,000	15,400,000
Cash held primarily at Other Financial Institutions
Concentration Risk [Line Items]
Concentration of credit risk	$ 4,700,000	$ 4,800,000