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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Product Information [Line Items] |  |  |
Net Income (Loss) Attributable to Parent | $ 6,548,000 | $ 5,584,000 |
Net Cash Provided by (Used in) Operating Activities | 3,430,000 | 6,507,000 |
Cash and Cash Equivalents, at Carrying Value | 549,000 | 211,000 |
[custom:LineOfCreditBorrowingCapacity-0] | 376,000 |  |
[custom:WorkingCapital-0] | 11,775,000 |  |
Net sales | 15,293,000 | 16,056,000 |
Warranty reserve accrual | 600,000 | 600,000 | $ 600,000
FDIC insurance limit | 250,000 |  |
Inventory write down | 450,000 |  |
Research and development cost | $ 1,222,000 | $ 1,460,000 |
Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Revenue from Rights Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk | 95.00% | 96.00% |
Sales To International Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Revenue from Rights Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk | 21.00% | 25.00% |
Largest Customer One [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk | 50.00% |  |
Largest Customer One [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Maximum [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk |  | 66.00% |
Largest Customer One [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Minimum [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk |  | 23.00% |
Largest Customer Two [Member] | Accounts Payable [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk | 10.00% | 3.00% |
Largest Customer Two [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk | 18.00% |  |
Largest Receivable Accounts One [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk | 69.00% |  |
Largest Receivable Accounts Two [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk | 16.00% |  |
Largest Receivable Accounts [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk |  | 90.00% |
Largest Vendors One [Member] | Accounts Payable [Member] | Supplier Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk | 30.00% | 51.00% |
Largest Customer Three [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk | 5.00% | 3.00% |
International Sales [Member] |  |  |
Product Information [Line Items] |  |  |
Net sales | $ 3,215,000 | $ 3,983,000 |
AUSTRALIA |  |  |
Product Information [Line Items] |  |  |
Cash | 7,000 | 8,000 |
RON [Member] |  |  |
Product Information [Line Items] |  |  |
Cash | $ 16,000 | $ 23,000 |

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