XML 66 R27.htm IDEA: XBRL DOCUMENT
v3.20.1

PATENTS AND TRADEMARKS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Patents and trademarks |
|  | 2019 |  |  | 2018 |
Patents and trademarks |  | $ | 293,585 |  |  | $ | 280,490 |
Less: Accumulated amortization |  |  | (231,987 | ) |  |  | (226,619 | )
|  | $ | 61,598 |  |  | $ | 53,871 |

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 Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b),(d) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration