XML 29 R20.htm IDEA: XBRL DOCUMENT
v3.23.3

Stock-Based Compensation (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2023
Stock-Based Compensation [Abstract] |
Schedule of Stock Option Plans | A summary of the combined activity under all of our stock option plans is set forth below:
|  | Number of Options Outstanding |  |  | Weighted Average Exercise Price |
Outstanding at January 1, 2023 |  |  | 2,500 |  |  | $ | 14.40 |
Expired |  |  | (2,500 | ) |  |  | 14.40 |
Outstanding at September 30, 2023 |  |  | - |  |  | $ | - |

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

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration