Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting - Schedule of Long Lived Assets by Segment (Details)

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Segment Reporting - Schedule of Long Lived Assets by Segment (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Mar. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]    
Other assets $ 165 $ 213
Film    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets 3,180 12,953
Fiber Optics    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 3,076 $ 1,940