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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND ESTIMATES (Details Narrative) - USD ($) shares in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Long-lived assets impairment losses | $ 0 | $ 0 | $ 0 | $ 0 |
Shipping and handling costs | 28,000 | 26,000 | 58,000 | 56,000 |
Revenues | 1,117,935 | 904,067 | 3,017,430 | 2,360,823 |
Estimated returns net of allowances | 0 | 12,000 | 0 | $ 24,000 |
Accrued liabilities | 1,923,708 |  | $ 1,923,708 |  | $ 746,738
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  | 13.9 | 16.5 |
Warrant [Member] |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Accrued liabilities | 48,000 |  | $ 48,000 |  | 25,000
Warranty costs | 20,000 | 31,000 | $ 41,000 | $ 58,000 |
Patents and Licenses [Member] | Minimum [Member] |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Estimated useful lives |  |  | 5 years |  |
Patents and Licenses [Member] | Maximum [Member] |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Estimated useful lives |  |  | 17 years |  |
Patents [Member] |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Carrying value | 168,000 |  | $ 168,000 |  | 169,000
Accumulated amortization | 311,000 |  | 311,000 |  | 303,000
Amortization expense |  | 3,000 |  | 6,000 |
Future estimated amortization, remainder of fiscal year | 8,000 |  | 8,000 |  |
Future estimated amortization for year ending December 31, 2022 | 15,000 |  | 15,000 |  |
Future estimated amortization for year ending December 31, 2023 | 15,000 |  | 15,000 |  |
Future estimated amortization for year ending December 31, 2024 | 11,000 |  | 11,000 |  |
Future estimated amortization for year ending December 31, 2025 | 11,000 |  | 11,000 |  |
Future estimated amortization, Thereafter | 108,000 |  | 108,000 |  |
License [Member] |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Carrying value | 16,000 |  | 16,000 |  | 19,000
Accumulated amortization | 403,000 |  | 403,000 |  | $ 400,000
Amortization expense | 2,000 | 2,000 | 4,000 | 3,000 |
Future estimated amortization, remainder of fiscal year | 4,000 |  | 4,000 |  |
Future estimated amortization for year ending December 31, 2022 | 7,000 |  | 7,000 |  |
Future estimated amortization for year ending December 31, 2023 | 5,000 |  | 5,000 |  |
License Revenue [Member] |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Revenues |  |  | 478,654 |  |
Collaborative Research Revenue [Member] |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Revenues |  |  |  | 45,000 |
General, Administrative, Research and Development Expense [Member] |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Shipping and handling costs | $ 4,000 | $ 6,000 | $ 5,000 | $ 6,000 |

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