Summary of significant accounting policies (Details) - USD ($) |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Jun. 30, 2016 |
|---|---|---|---|---|
| Additional paid in capital | $ 32,201,484 | $ 31,499,889 | $ 23,993,581 | $ 9,335,801 |
| Accumulated deficit | $ (21,151,255) | (16,508,057) | $ (14,207,651) | $ (6,674,813) |
| Previously Reported [Member] | ||||
| Additional paid in capital | 30,774,885 | |||
| Accumulated deficit | (15,783,053) | |||
| Revisions [Member] | ||||
| Additional paid in capital | 725,004 | |||
| Accumulated deficit | $ (725,004) |
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- Definition Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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