| Property, Plant, and Equipment | 9 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Mar. 31, 2025 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property, Plant and Equipment [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property, Plant, and Equipment | 8. PROPERTY, PLANT, AND EQUIPMENT Property, plant, and equipment consisted of the following (in thousands): 
 Property, plant and equipment depreciation and amortization expense was $1.0 million and $0.8 million for the three months ended March 31, 2025 and 2024, respectively, and $2.7 million and $2.0 million for the nine months ended March 31, 2025 and 2024, respectively. For the periods presented, depreciation and amortization expense allocable to cost of sales was not significant. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||