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Intangible Assets, Net
 12 Months Ended
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, Net Intangible Assets, Net
Intangible assets, net consist of (in thousands):
 June 30,
 20242023
Patent costs$2,330 $2,330 
Accumulated amortization(2,252)(2,120)
Total finite-lived intangible assets, net78 210 
Trademarks and other indefinite-lived intangible assets245 245 
Total intangible assets, net$323 $455 
Amortization expense totaled $0.1 million and $0.1 million for the fiscal years ended June 30, 2024 and 2023, respectively. As of June 30, 2024, the remaining weighted-average amortization period for finite-lived intangible assets was 0.75 years. Annual estimated amortization expense is expected to approximate $0.1 million in the succeeding fiscal year.