Segment Reporting - Schedule of Long Lived Assets by Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Other assets	$ 160	$ 33
Film
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	3,418	9,389
Fiber Optics
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 3,248	$ 1,933