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Related Party Transactions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Qualstar    
Due from related party    
Due from related party, beginning balance $ 84 $ 52
Billed (or accrued) to related party by Interlink 798 892
Paid by related party to Interlink (877) (860)
Due from related party, end balance 5 84
Due to related party    
Due to related party, beginning balance 8 34
Billed (or accrued) to Interlink by related party 96 102
Paid by Interlink to related party (104) (128)
Due to related party, end balance   8
BKF Capital    
Due from related party    
Due from related party, beginning balance 12  
Billed (or accrued) to related party by Interlink 104 81
Paid by related party to Interlink (114) (69)
Due from related party, end balance 2 12
Due to related party    
Billed (or accrued) to Interlink by related party 147 60
Paid by Interlink to related party $ (147) $ (60)