XML 45 R11.htm IDEA: XBRL DOCUMENT
v3.21.1

PATENTS AND TRADEMARKS | 12 Months Ended
--- | ---
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
PATENTS AND TRADEMARKS | NOTE 5 – PATENTS AND TRADEMARKS
|  | 2020 |  |  | 2019 |
Patents and trademarks |  | $ | 301,770 |  |  | $ | 293,585 |
Less: Accumulated amortization |  |  | (237,355 | ) |  |  | (231,987 | )
|  | $ | 64,415 |  |  | $ | 61,598 |
Amortization expense in 2020 and 2019 was $5,368 and $5,368, respectively.

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
Name: | us-gaap_IntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration