XML 42 R32.htm IDEA: XBRL DOCUMENT
v3.22.2

Note 6 - Marketable Securities (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2022
Notes Tables |
Marketable Securities [Table Text Block] |
|  | As of June 30, 2022 |  |  | As of December 31, 2021 |
Marketable securities: |  |  |  |  |  |  |  |
Amortized cost |  | $ | 115,862 |  |  | $ | 114,159 |
Unrealized gains, net |  |  | 957,844 |  |  |  | 1,097,580 |
Total fair value |  | $ | 1,073,706 |  |  | $ | 1,211,739 |

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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