XML 24 R12.htm IDEA: XBRL DOCUMENT
v3.10.0.1

6. PATENTS | 12 Months Ended
--- | ---
Sep. 30, 2018
Accounting Policies [Abstract] |
6. PATENTS | Patents consisted of the following at September 30:
|  | 2018 |  |  | 2017 |
Patents |  | $ | 1,644,759 |  |  | $ | 1,535,087 |
Accumulated amortization |  |  | (1,386,666 | ) |  |  | (1,311,920 | )
Patents, net |  | $ | 258,093 |  |  | $ | 223,167 |
During the years ended September 30, 2018 and 2017,there was no impairment of patent costs. Amortization expense for the years ended September 30, 2018 and 2017 totaled approximately $75,000 and $40,000, respectively. The total estimated future amortization is as follows:
Years ending September 30, |
2019 |  | $ | 42,000 |
2020 |  |  | 38,000 |
2021 |  |  | 35,000 |
2022 |  |  | 31,000 |
2023 |  |  | 21,000 |
Thereafter |  |  | 91,000 |
|  | $ | 258,000 |

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
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