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v3.25.1

NOTE 1 — Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Activities in allowance for doubtful accounts |
Year |  | Balance at Beginning of Year |  | Charged to Costs and Expenses |  | Amounts Written Off |  | Balance at End of Year
| 2024 |  |  | $ | 40,651 |  |  | $ | — |  |  | $ | — |  |  | $ | 40,651 |
| 2023 |  |  | $ | 40,651 |  |  | $ | — |  |  | $ | — |  |  | $ | 40,651 |
Inventory Components |
|  | December 31,
|  | 2024 |  | 2023
Raw materials and sub-assemblies |  | $ | 5,716,202 |  |  | $ | 5,839,176 |
Finished goods |  |  | 221,241 |  |  |  | 500,814 |
Inventory reserves |  |  | (995,943 | ) |  |  | (930,943 | )
Inventory, net |  | $ | 4,941,500 |  |  | $ | 5,409,047 |
Prepaid Expenses and Other Current Assets |
|  | December 31,
|  | 2024 |  | 2023
Prepaid insurance |  | $ | 73,008 |  |  | $ | 75,626 |
Product certification costs |  |  | 102,716 |  |  |  | 75,604 |
Prepaid inventory purchases |  |  | 113,340 |  |  |  | 123,736 |
Prepaid maintenance contracts and other prepaid expenses |  |  | 141,655 |  |  |  | 165,764 |
Prepaid expenses and other current assets |  | $ | 430,719 |  |  | $ | 440,730 |
Estimated future amortization of intangible assets |
Fiscal Year |  | Amount
2025 |  |  |  | 127,296
2026 |  |  |  | 127,296
2027 |  |  |  | 127,296
2028 |  |  |  | 127,296
2029 |  |  |  | 127,296
Thereafter |  |  |  | 795,593
|  |  | $ | 1,432,073
Customers who accounted for at least 10% of the Company's accounts receivable balances |
|  | December 31,
|  | 2024 |  | 2023
Bluestar, Inc. |  |  | 32 | % |  |  | * |
ScanSource, Inc. |  |  | 19 | % |  |  | 13 | %
Ingram Micro Inc. |  |  | 15 | % |  |  | 20 | %
Synnex Corporation |  |  | * |  |  |  | 14 | %
Nippon Primex, Inc. |  |  | * |  |  |  | 11 | %
* Customer accounted for less than 10% of the Company’s accounts receivable balances
Warranty |
Year |  | Balance at Beginning of Year |  | Additional Warranty Reserves |  | Amounts Charged to Reserves |  | Balance at End of Year
| 2024 |  |  | $ | 78,871 |  |  | $ | 10,038 |  |  | $ | (10,038 | ) |  | $ | 78,871 |
| 2023 |  |  | $ | 78,871 |  |  | $ | 13,417 |  |  | $ | (13,417 | ) |  | $ | 78,871 |
Revenues for geographic areas (in $'000) |
|  | Years Ended December 31,
Revenues: (in thousands) |  | 2024 |  | 2023
United States |  | $ | 13,863 |  |  | $ | 12,539 |
Europe |  |  | 2,318 |  |  |  | 2,426 |
Asia and rest of world |  |  | 2,582 |  |  |  | 2,069 |
Total |  | $ | 18,763 |  |  | $ | 17,034 |
Customers who accounted for at least 10% of total revenues |
|  | Years Ended December 31,
|  | 2024 |  | 2023
BlueStar, Inc. |  |  | 32 | % |  |  | 22 | %
Ingram Micro Inc. |  |  | 16 | % |  |  | 22 | %
ScanSource, Inc. |  |  | * |  |  |  | 14 | %
*Customer accounted for less than 10% of total revenues

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