| Summary of Identifiable Assets | 
 The following table presents a summary
of identifiable assets as of December 31, 2015 and June 30, 2015: 
  
    |   | 
      | 
    As of | 
      | 
      | 
    As of | 
      | 
 
    |   | 
      | 
    December 31, 2015 | 
      | 
      | 
    June 30, 2015 | 
      | 
 
    | Identifiable assets: | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Corporate headquarters | 
      | 
    $ | 
    2,667,751 | 
      | 
      | 
    $ | 
    4,896,334 | 
      | 
 
    | North America | 
      | 
      | 
    6,175,310 | 
      | 
      | 
      | 
    7,162,846 | 
      | 
 
    | Europe | 
      | 
      | 
    7,050,518 | 
      | 
      | 
      | 
    6,631,945 | 
      | 
 
    | Asia - Pacific | 
      | 
      | 
    71,337,431 | 
      | 
      | 
      | 
    70,271,209 | 
      | 
 
    | Consolidated | 
      | 
    $ | 
    87,231,010 | 
      | 
      | 
    $ | 
    88,962,334 | 
      | 
 
 
 | 
| Summary of Operating Information | 
 The following table presents a summary of operating information
for the three and six months ended December 31: 
  
    |   | 
      | 
    For the Three Months | 
      | 
      | 
    For the Six Months | 
      | 
 
    |   | 
      | 
    Ended December 31, | 
      | 
      | 
    Ended December 31, | 
      | 
 
    |   | 
      | 
    2015 | 
      | 
      | 
    2014 | 
      | 
      | 
    2015 | 
      | 
      | 
    2014 | 
      | 
 
    | Revenues from unaffiliated customers: | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | North America | 
      | 
    $ | 
    952,738 | 
      | 
      | 
    $ | 
    1,423,560 | 
      | 
      | 
    $ | 
    2,455,206 | 
      | 
      | 
    $ | 
    2,590,337 | 
      | 
 
    | Europe | 
      | 
      | 
    1,679,224 | 
      | 
      | 
      | 
    1,678,892 | 
      | 
      | 
      | 
    3,177,755 | 
      | 
      | 
      | 
    3,239,915 | 
      | 
 
    | Asia - Pacific | 
      | 
      | 
    10,892,305 | 
      | 
      | 
      | 
    7,652,972 | 
      | 
      | 
      | 
    18,850,771 | 
      | 
      | 
      | 
    13,467,333 | 
      | 
 
    |   | 
      | 
      | 
    13,524,267 | 
      | 
      | 
      | 
    10,755,424 | 
      | 
      | 
      | 
    24,483,732 | 
      | 
      | 
      | 
    19,297,585 | 
      | 
 
    | Revenue from affiliated customers | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Europe | 
      | 
      | 
    538,703 | 
      | 
      | 
      | 
    242,704 | 
      | 
      | 
      | 
    986,543 | 
      | 
      | 
      | 
    531,694 | 
      | 
 
    | Asia - Pacific | 
      | 
      | 
    2,128,727 | 
      | 
      | 
      | 
    1,354,476 | 
      | 
      | 
      | 
    4,026,526 | 
      | 
      | 
      | 
    2,750,476 | 
      | 
 
    |   | 
      | 
      | 
    2,667,430 | 
      | 
      | 
      | 
    1,597,180 | 
      | 
      | 
      | 
    5,013,069 | 
      | 
      | 
      | 
    3,282,170 | 
      | 
 
    | Consolidated | 
      | 
    $ | 
    16,191,697 | 
      | 
      | 
    $ | 
    12,352,604 | 
      | 
      | 
    $ | 
    29,496,801 | 
      | 
      | 
    $ | 
    22,579,755 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Intercompany revenue | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Europe | 
      | 
    $ | 
    105,707 | 
      | 
      | 
    $ | 
    92,641 | 
      | 
      | 
    $ | 
    242,493 | 
      | 
      | 
    $ | 
    223,169 | 
      | 
 
    | Asia - Pacific | 
      | 
      | 
    2,115,420 | 
      | 
      | 
      | 
    1,410,145 | 
      | 
      | 
      | 
    3,059,609 | 
      | 
      | 
      | 
    1,691,264 | 
      | 
 
    | Eliminated | 
      | 
    $ | 
    2,221,127 | 
      | 
      | 
    $ | 
    1,502,786 | 
      | 
      | 
    $ | 
    3,302,102 | 
      | 
      | 
    $ | 
    1,914,433 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Net income (loss) after taxes and before non-controlling interest: | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Corporate headquarters | 
      | 
    $ | 
    (1,116,822 | 
    ) | 
      | 
    $ | 
    (791,128 | 
    ) | 
      | 
    $ | 
    (1,830,472 | 
    ) | 
      | 
    $ | 
    (843,040 | 
    ) | 
 
    | North America | 
      | 
      | 
    (332,899 | 
    ) | 
      | 
      | 
    282,475 | 
      | 
      | 
      | 
    43,815 | 
      | 
      | 
      | 
    (79,027 | 
    ) | 
 
    | Europe | 
      | 
      | 
    35,530 | 
      | 
      | 
      | 
    (388,162 | 
    ) | 
      | 
      | 
    (159,051 | 
    ) | 
      | 
      | 
    (1,003,425 | 
    ) | 
 
    | Asia - Pacific | 
      | 
      | 
    3,172,652 | 
      | 
      | 
      | 
    (609,115 | 
    ) | 
      | 
      | 
    3,484,643 | 
      | 
      | 
      | 
    (1,809,664 | 
    ) | 
 
    | Consolidated | 
      | 
    $ | 
    1,758,461 | 
      | 
      | 
    $ | 
    (1,505,930 | 
    ) | 
      | 
    $ | 
    1,538,935 | 
      | 
      | 
    $ | 
    (3,735,156 | 
    ) | 
 
 
 |