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BALANCE SHEET COMPONENTS - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Balance Sheet Related Disclosures [Abstract]        
Write-down of inventory $ 154,491 $ 218,859 $ 385,811 $ 218,859
Scrap inventory written down 83,832 0 83,832 51,034
Depreciation and amortization $ 98,901 $ 155,633 $ 225,016 $ 290,786