Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Details- Accounts receivable - long term, net (Details)

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Balance Sheet Details- Accounts receivable - long term, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Balance Sheet Details    
Undiscounted cash flows March 31, 2023 $ 100  
Undiscounted cash flows March 31,2024 100  
Accounts receivable - long term    
Total amount due from customer 158 $ 484
Less unamortized discount (5) (8)
Less current portion included in accounts receivable (94) (398)
Total of accounts receivable, long term, net $ 59 $ 78