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Investments in affiliates (Details Narrative) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Interest held | 19.40% | 19.40%
Long-term investment, at cost, less impairment | $ 5,540,000 | $ 5,540,000
Blue Sky |  |
Interest held | 19.40% | 19.40%
Long-term investment, at cost, less impairment | $ 5,540,000 |

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- Definition Net yield on interest-earning assets calculated as difference between total interest earned and total interest paid divided by total interest-earning assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph (b) -Subparagraph (5) + Details
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- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Details
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