Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Prepaid insurance $ 376 $ 49
Prepaid software 51 52
Other prepaids and receivables 693 40
Total prepaid expenses and other current assets 1,120 $ 141
Sale of Previously Purchased Components Back To Contract Manufacturer | Affiliated Entity    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Other prepaids and receivables, previously purchased components used in the manufacture of our devices back to our contract manufacturer $ 600