Intangible assets (Details Narrative) - USD ($) |
12 Months Ended | |
|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Amortization expense | $ 15,078 | $ 7,208 |
| Patents [Member] | ||
| Amortization expense | $ 69,345 | |
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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