Quarterly report pursuant to Section 13 or 15(d)

Accounts payable and accrued expenses (Details)

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Accounts payable and accrued expenses (Details) - USD ($)
Sep. 30, 2017
Jun. 30, 2017
Payables and Accruals [Abstract]    
Accounts payable $ 1,612,826 $ 494,515
Accrued salaries and benefits 272,560 274,050
Accrued bonuses 119,962
Accrued stock-based compensation 342,997 399,157
Accrued capital expenditures 813,678
Other accrued expenses 640,393 168,646
Totals $ 3,802,416 $ 1,336,368