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Prepaid Expenses and Other Current Assets (Details) - USD ($) | Jun. 30, 2016 | Jun. 30, 2015
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |  |
Prepaid insurance |  | $ 168,681 | $ 178,994
Prepaid federal and state income taxes |  | 0 | 22,542
Equipment inventory | [1] | 0 | 81,538
Retainers and deposits |  | 30,568 | 26,978
Other prepaid expenses |  | 52,500 | 59,352
Prepaid expenses and other current assets |  | $ 251,749 | $ 369,404
[1] | As discussed in Note 8, our equipment inventory was determined to have no future value in use for our operations and negligible market value and was charged to restructuring costs as part of the separation of our artificial lift technology operations.

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