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Balance sheet details
 12 Months Ended
Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Balance sheet details Balance sheet details
Inventories

Inventories consisted of the following (in thousands):
December 31,December 31,
20222021
Raw materials$2,170 $2,103 
Work-in-process26 11 
Total inventories$2,196 $2,114 

Accrued expenses and other current liabilities
Accrued expenses and other current liabilities consisted of the following (in thousands):
December 31,December 31,
20222021
Accrued expenses:
 Accrued transaction costs$2,459 $— 
Accrued professional services1,858 1,953 
Accrued compensation and related benefits1,641 1,108 
Other accruals233 318 
Other current liabilities:
Other payroll expenses$451 $175 
Customer deposit45 21 
Current portion of long term debt, net— 39 
Total accrued expenses and other current liabilities$6,687 $3,614 
Prepaid expenses and other current assets
Prepaid expenses and other current assets consisted of the following (in thousands):
December 31,December 31,
20222021
Prepaid expenses:
  Prepaid services$391 $125 
  Prepaid software559 531 
  Prepaid rent96 151 
  Prepaid commissions268 84 
Prepaid insurance697 — 
  Other89 156 
Other current assets:
Directors and Officers insurance$1,449 $— 
Unbilled receivables58 17 
  Security deposits36 52 
Total prepaid expenses and other current assets$3,643 $1,116 
Other noncurrent assets
Other noncurrent assets consisted of the following (in thousands):
December 31,December 31,
20222021
Investment in securities$1,168 $1,169 
Long-term deposits183 184 
Total other noncurrent assets$1,351 $1,353