Stockholders' Equity (Details)	Aug. 31, 2018 $ / shares shares
Class of Warrant or Right [Line Items]
Exercise price of warrants, maximum percentage of market price of common stock	120.00%
Maximum
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares	$ 2.00
Common Stock
Class of Warrant or Right [Line Items]
Number of securities called by warrants (in shares)	150,000
Common Stock, Vesting on August 31, 2018
Class of Warrant or Right [Line Items]
Number of securities called by warrants (in shares)	30,000
Exercise price of warrants (in dollars per share) | $ / shares	$ 1.80
Common Stock, Vesting on July 31, 2019
Class of Warrant or Right [Line Items]
Number of securities called by warrants (in shares)	30,000
Common Stock, Vesting on July 31, 2020
Class of Warrant or Right [Line Items]
Number of securities called by warrants (in shares)	30,000
Common Stock, Vesting on July 31, 2021
Class of Warrant or Right [Line Items]
Number of securities called by warrants (in shares)	30,000
Common Stock, Vesting on July 31, 2022
Class of Warrant or Right [Line Items]
Number of securities called by warrants (in shares)	30,000