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Summary of Business and Significant Accounting Policies - ESPP and Stock Option Awards (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended
	Dec. 01, 2023	Dec. 01, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Assumptions
Dividend yield					0.00%
Employee Stock Option
Stock-based awards
Options granted during period			21,300	53,200	50,400	154,067
Options granted during period, weighted-average price (in dollars per share)			$ 3.16	$ 4.32	$ 3.29	$ 4.79
Total unrecognized compensation cost, net of forfeitures, related to unvested options			$ 2,700		$ 2,700
Weighted average period over which unrecognized compensation is expected to be recognized					1 year
Issuance of common stock upon exercise of stock options (in shares)			122,500	121,936	123,500	129,161
Assumptions
Expected volatility			53.00%	64.00%	54.00%	65.00%
Average risk-free interest rate			4.42%	4.00%	4.36%	3.50%
Expected life (in years)			4 years 6 months 21 days	4 years 6 months 29 days	4 years 6 months 18 days	4 years 7 months 9 days
Dividend yield			0.00%	0.00%	0.00%	0.00%
Employee Stock Purchase Plan (ESPP)
ESPP
Percentage of stock price at which stock can be purchased					85.00%
Purchase period					6 months
ESPP shares available for issuance					868,129
Employee Stock Purchase Plan (ESPP) | Minimum
ESPP
Percentage of base earnings that can be withheld					1.00%
Employee Stock Purchase Plan (ESPP) | Maximum
ESPP
Offering period					27 months
Percentage of base earnings that can be withheld					15.00%
ESPP Grants on December 1, 2023
ESPP
ESPP purchase rights granted	87,332
Stock-based compensation			$ 34		$ 34
ESPP Grants on December 1, 2022
ESPP
Stock-based compensation				$ 41		$ 41
ESPP shares issued		88,414
Restricted stock units
Stock-based awards
Weighted average period over which unrecognized compensation is expected to be recognized					10 months 13 days
Units granted			200,821	0	200,821	0
Weighted average grant date fair value			$ 6.50		$ 6.50
Total unrecognized compensation cost, net of forfeitures, related to unvested RSUs			$ 1,100		$ 1,100

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Percentage limit of employee base earnings an employee may have withheld to purchase company common stock under terms of an employee stock purchase plan.

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