| Summary of Identifiable Assets | The following table presents a summary of identifiable
assets as of March 31, 2021 and June 30, 2020:   
  
    |  |  | As of |  |  | As of |  |  
    |  |  | March 31, 2021 |  |  | June 30, 2020 |  |  
    | Identifiable assets: |  |  |  |  |  |  |  |  |  
    | Corporate headquarters |  | $ | 2,262,773 |  |  | $ | 4,508,724 |  |  
    | North America |  |  | 5,798,737 |  |  |  | 5,949,653 |  |  
    | Europe |  |  | 10,928,592 |  |  |  | 10,856,814 |  |  
    | Asia - Pacific |  |  | 69,325,685 |  |  |  | 67,157,898 |  |  
    | Consolidated |  | $ | 88,315,787 |  |  | $ | 88,473,089 |  |  | 
| Summary of Investment Under Equity Method | The following table presents a summary of investment
under equity method as of March 31, 2021 and June 30, 2020:   
  
    |  |  | As of |  |  | As of |  |  
    |  |  | March 31, 2021 |  |  | June 30, 2020 |  |  
    | Investment in associates under equity method: |  |  |  |  |  |  |  |  |  
    | Corporate headquarters |  | $ | 401,307 |  |  | $ | 473,692 |  |  
    | Asia - Pacific |  |  | 2,794,673 |  |  |  | 1,914,000 |  |  
    | Consolidated |  | $ | 3,195,980 |  |  | $ | 2,387,692 |  |  | 
| Summary of Operating Information | The following table presents a summary of operating
information for the three and nine months ended March 31:   
  
    |  |  | For the Three Months |  |  | For the Nine Months |  |  
    |  |  | Ended March 31, |  |  | Ended March 31, |  |  
    |  |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |  |  
    | Revenues from unaffiliated customers: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | North America |  | $ | 1,008,011 |  |  | $ | 1,210,187 |  |  | $ | 2,837,445 |  |  | $ | 3,464,705 |  |  
    | Europe |  |  | 2,748,945 |  |  |  | 2,791,238 |  |  |  | 8,627,042 |  |  |  | 8,225,906 |  |  
    | Asia - Pacific |  |  | 10,027,040 |  |  |  | 9,467,570 |  |  |  | 28,088,347 |  |  |  | 30,900,462 |  |  
    |  |  |  | 13,783,996 |  |  |  | 13,468,995 |  |  |  | 39,552,834 |  |  |  | 42,591,073 |  |  
    | Revenue from affiliated customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Asia - Pacific |  |  | - |  |  |  | 61,842 |  |  |  | - |  |  |  | 202,199 |  |  
    |  |  |  | - |  |  |  | 61,842 |  |  |  | - |  |  |  | 202,199 |  |  
    | Consolidated |  | $ | 13,783,996 |  |  | $ | 13,530,837 |  |  | $ | 39,552,834 |  |  | $ | 42,793,272 |  |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Intercompany revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Europe |  | $ | 160,970 |  |  | $ | 143,814 |  |  | $ | 426,883 |  |  | $ | 455,040 |  |  
    | Asia - Pacific |  |  | 3,810,340 |  |  |  | 2,048,652 |  |  |  | 9,094,697 |  |  |  | 5,618,855 |  |  
    | Eliminated |  | $ | 3,971,310 |  |  | $ | 2,192,466 |  |  | $ | 9,521,580 |  |  | $ | 6,073,895 |  |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Net income (loss) after taxes and before non-controlling interest: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Corporate headquarters |  | $ | (804,636 | ) |  | $ | 240,294 |  |  | $ | 1,536,305 |  |  | $ | (1,003,798 | ) |  
    | North America |  |  | 57,460 |  |  |  | 134,390 |  |  |  | (271,356 | ) |  |  | 230,738 |  |  
    | Europe |  |  | (474,629 | ) |  |  | 122,974 |  |  |  | 301,472 |  |  |  | 927,717 |  |  
    | Asia - Pacific |  |  | 246,635 |  |  |  | 971,435 |  |  |  | (1,497,302 | ) |  |  | (399,887 | ) |  
    | Consolidated |  | $ | (975,170 | ) |  | $ | 1,469,093 |  |  | $ | 69,119 |  |  | $ | (245,230 | ) |  |