XML 25 R12.htm IDEA: XBRL DOCUMENT
v3.21.2

Note 5 - Patents and Trademarks, Net | 12 Months Ended
--- | ---
Aug. 31, 2021
Notes to Financial Statements |
Intangible Assets Disclosure [Text Block] | 5. PATENTS AND TRADEMARKS, NET Patents and trademarks, net consisted of the following:
|  | August 31, 2021 |  |  | August 31, 2020 |
Patents and trademarks |  | $ | 3,018,507 |  |  | $ | 2,907,852 |
Less accumulated amortization |  |  | (2,308,935 | ) |  |  | (2,105,846 | )
|  | $ | 709,572 |  |  | $ | 802,006 |
Patent and trademark costs are amortized over seven years. Costs incurred related to patents and trademarks are capitalized until filed and approved, at which time the amounts capitalized to date are amortized, and any further costs, including maintenance costs, are expensed as incurred. Amortization expense was $203,088 and $231,624 for the years ended August 31, 2021 and 2020, respectively. Amortization expense is estimated to be $190,000 in each of the next four fiscal years.

X
- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
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: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration