XML 30 R19.htm IDEA: XBRL DOCUMENT v3.24.2.u1
BALANCE SHEET COMPONENTS (Tables)
 6 Months Ended
Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of accounts receivable, net and activity in allowance for uncollectible accounts
Accounts receivable, net consisted of the following (in thousands):
June 30,
2024		December 31,
2023
Accounts receivable$247 $99 
Allowance for uncollectible accounts(4)(4)
Accounts receivable, net$243 $95 
The following was the activity in the allowance for uncollectible accounts (in thousands):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Balance as of beginning of period$4 $4 $4 $6 
Increase in provision2 — — — 
Amounts written off, less recoveries(2)— — (2)
Balance as of end of period$4 $4 $4 $4 
Schedule of inventory, net and activity in reserve for obsolescence
Inventory, net consisted of the following (in thousands):
June 30,
2024		December 31,
2023
Raw materials$780 $747 
Work in progress7 — 
Finished goods112 53 
Total inventory899 800 
Less: reserve for obsolescence— (5)
Inventory, net$899 $795 
The following was the activity in the reserve for obsolescence (in thousands):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Balance as of beginning of period$5 $18 $5 $18 
Increase in reserve— — — — 
Amounts relieved(5)— (5)— 
Balance as of end of period$— $18 $— $18 
Schedule of prepaid expenses
Prepaid expenses and other current assets consisted of the following (in thousands):
June 30,
2024		December 31,
2023
Equity offering costs$124 $— 
Software licenses116 152 
Professional services48 30 
Insurance47 64 
Prepaid inventory29 111 
Other100 31 
Total prepaid expenses and other current assets$464 $388 
Schedule of property and equipment, net
Property and equipment, net consisted of the following (in thousands):
June 30,
2024		December 31,
2023
Research and development equipment$1,792 $1,763 
Office and computer equipment808 808 
Autos54 54 
Furniture and fixtures46 41 
Leasehold improvements152 141 
Total in service2,852 2,807 
Accumulated depreciation and amortization(2,492)(2,419)
Property and equipment, net$360 $388 
Schedule of accrued expenses
Accrued expenses consisted of the following (in thousands):
June 30,
2024		December 31,
2023
Compensation and related benefits$325 $232 
Legal and consulting professional services79 121 
Product warranty11 15 
Total accrued expenses$415 $368 
Schedule of maturities of notes payable
As of June 30, 2024, future principal payments were as follows (in thousands):
2024$19 
202541 
202645 
202749 
202844 
Thereafter3 
Total principal payments201 
Less: current portion of notes payable(39)
Notes payable, less current portion$162