Annual report pursuant to Section 13 and 15(d)

Nature of Operations, Corporate History, and Liquidity Risk - Additional Information (Detail)

v3.20.2
Nature of Operations, Corporate History, and Liquidity Risk - Additional Information (Detail) - USD ($)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Nature of operations, corporate history, and going concern (Textual)    
Net loss $ 9,125,916 $ 8,048,221
Negative cash flow from operations (7,927,516) (6,327,425)
Accumulated deficit (69,721,233) (60,578,345)
Cash equivalents on hand 2,392,402 $ 3,718,758
Gross proceeds from private placement 25,000,000  
Net proceeds from private placement $ 21,700,000