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v3.24.1

NOTE 1 — Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
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
| 2023 |  |  | $ | 40,651 |  |  | $ | — |  |  | $ | — |  |  | $ | 40,651 |
| 2022 |  |  | $ | 40,651 |  |  | $ | — |  |  | $ | — |  |  | $ | 40,651 |
Inventory Components |
|  | December 31,
|  | 2023 |  | 2022
Raw materials and sub-assemblies |  | $ | 5,839,176 |  |  | $ | 6,193,453 |
Finished goods |  |  | 500,814 |  |  |  | 289,181 |
Inventory reserves |  |  | (930,943 | ) |  |  | (880,943 | )
Inventory, net |  | $ | 5,409,047 |  |  | $ | 5,601,691 |
Prepaid Expenses and Other Current Assets |
|  | December 31,
|  | 2023 |  | 2022
Prepaid insurance |  | $ | 75,626 |  |  | $ | 92,644 |
Product certification costs |  |  | 75,604 |  |  |  | 87,293 |
Prepaid inventory purchases |  |  | 123,736 |  |  |  | 196,512 |
Prepaid maintenance contracts and other prepaid expenses |  |  | 165,764 |  |  |  | 240,739 |
Prepaid expenses and other current assets |  | $ | 440,730 |  |  | $ | 617,188 |
Customers who accounted for at least 10% of the Company's accounts receivable balances |
|  | December 31,
|  | 2023 |  | 2022
Ingram Micro Inc. |  |  | 20 | % |  |  | 14 | %
Synnex Corporation |  |  | 14 | % |  |  | * |
ScanSource, Inc. |  |  | 13 | % |  |  | 11 | %
Nippon Primex, Inc. |  |  | 11 | % |  |  | 14 | %
Bluestar, Inc. |  |  | * |  |  |  | 46 | %
* 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
| 2023 |  |  | $ | 78,871 |  |  | $ | 13,417 |  |  | $ | (13,417 | ) |  | $ | 78,871 |
| 2022 |  |  | $ | 78,871 |  |  | $ | 14,475 |  |  | $ | (14,475 | ) |  | $ | 78,871 |
Net Inome (Loss) Per Share Applicable to Common Stockholders |
|  | Years Ended December 31,
|  | 2023 |  | 2022
Numerator: |  |  |  |
Net income (loss) |  | $ | (1,919,154 | ) |  | $ | 86,931 |
Net income (loss) allocated to restricted stock award |  |  | — |  |  |  | (8,820 | )
Adjusted net income (loss) for basic earnings per share |  | $ | (1,919,154 | ) |  | $ | 78,111 |
Convertible note interest |  |  | — |  |  |  | — |
Adjusted net income (loss) before interest for diluted earnings per share |  | $ | (1,919,154 | ) |  | $ | 78,111 |
Denominator: Weighted average shares outstanding used in computing net income (loss) per share: |  |  |  |  |  |  |  |
Basic |  |  | 7,230,074 |  |  |  | 7,184,847 |
Dilutive impact of stock compensation awards |  |  | — |  |  |  | 348,077 |
Fully diluted |  |  | 7,230,074 |  |  |  | 7,532,924 |
Net income (loss) per share applicable to common stockholders: |  |  |  |  |  |  |  |
Basic |  | $ | (0.27 | ) |  | $ | 0.01 |
Fully diluted |  | $ | (0.27 | ) |  | $ | 0.01 |
Revenues for geographic areas (in $'000) |
|  | Years Ended December 31,
Revenues: (in thousands) |  | 2023 |  | 2022
United States |  | $ | 12,539 |  |  | $ | 15,765 |
Europe |  |  | 2,426 |  |  |  | 2,612 |
Asia and rest of world |  |  | 2,069 |  |  |  | 2,861 |
Total |  | $ | 17,034 |  |  | $ | 21,238 |
Customers who accounted for at least 10% of total revenues |
|  | Years Ended December 31,
|  | 2023 |  | 2022
Ingram Micro Inc. |  | 22% |  | 26%
BlueStar, Inc. |  | 22% |  | 24%
ScanSource, Inc. |  | 14% |  | 11%
*Customer accounted for less than 10% of total revenues

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