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Significant Accounting Policies (Details Narrative) - USD ($) | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2016 | Jun. 30, 2016 | Dec. 31, 2015 | Jun. 30, 2015
Retained earnings | $ (202,773,559) | $ (204,011,722) |  |
Inventory reserve - two years | 100.00% |  |  |
Inventory reserve - one year | 50.00% |  |  |
Inventory reserve - six months | 25.00% |  |  |
Cash and cash equivalents | $ 5,681,109 | $ 2,908,024 | $ 2,503,053 | $ 1,643,920
Revenue - equipment leasing | $ 33,996 |  |  |
Maturity Greater than 90 Days [Member] |  |  |  |
Percent of invoice written off | 100.00% |  |  |
Maturity Greater than 60 Days [Member] |  |  |  |
Percent of invoice written off | 10.00% |  |  |
Foreign Subsidiaries in China [Member] |  |  |  |
Cash and cash equivalents held by foreign subsidiaries | 51.00% |  |  |
Percentage of registered capital | 150.00% |  |  |
Retained earnings | $ 2,300,000 |  |  |
Retained earnings needed for repatriation | $ 11,300,000 |  |  |
Foreign Subsidiaries in China [Member] | Maturity Greater than 120 Days [Member] |  |  |  |
Percent of invoice written off | 100.00% |  |  |
Upper Limit [Member] |  |  |  |
Value added tax rate | 21.00% |  |  |
Equipment under lease [Member] |  |  |  |
Equipment under lease | $ 55,210 |  |  |
Property and Equipment [Member] | Upper Limit [Member] |  |  |  |
Estimated Life (Years) | 10 years |  |  |
Property and Equipment [Member] | Lower Limit [Member] |  |  |  |
Estimated Life (Years) | 1 year |  |  |

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