Quarterly report pursuant to Section 13 or 15(d)

Offerings of Common Stock and Warrants and At-the-Market Offering Program - Warrants (Details)

Offerings of Common Stock and Warrants and At-the-Market Offering Program - Warrants (Details) - USD ($)								1 Months Ended	3 Months Ended
	Jun. 16, 2020	Jun. 15, 2020	Feb. 10, 2020	Dec. 09, 2019	Dec. 08, 2019	Sep. 04, 2019	Feb. 04, 2019	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Class of Warrant or Right [Line Items]
Warrants, aggregate shares						440,000
Initial exercise price (in dollars per share)									$ 6.12
Expected proceeds from warrants	$ 1,186,313
Decrease the exercise price	$ 2.61	$ 3.80		$ 3.80	$ 8.86
Additional debt discount								$ 300,000
Aggregate registered direct offering (in shares)						580,000
Negotiated purchase price of common stock						$ 5.00
Negotiated purchase price of pre-funded warrant						$ 5.00
Exercise price of common stock (in dollars per share)									$ 1.18
Net proceeds from offering of common stock and warrants						$ 4,600,000			$ 1,376,000	$ 1,223,000
Purchase price						$ 5,100,000
Aggregate registered direct offering par value (in dollars per share)						$ 0.001
Issuance of warrants (in shares)									765,000
Common warrants period									5 years
Percentage of common stock									75.00%
Threshold percentage of increase in ownership shift				40.00%
Selling, general and administrative
Class of Warrant or Right [Line Items]
Prepaid marketing cost amortized									$ 100,000
Series A Warrants
Class of Warrant or Right [Line Items]
Outstanding warrants (in shares)									271,875
Series A Warrants, Exercise Price 25.50
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)									$ 25.50
Issued warrants (in shares)									217,875
Class of Warrant or Right, Exercise Price of Warrants or Rights									$ 25.50
Series A Warrants, Exercise Price 13.40
Class of Warrant or Right [Line Items]
Initial exercise price (in dollars per share)									$ 13.40
Issued warrants (in shares)									54,000
Series B Warrants
Class of Warrant or Right [Line Items]
Outstanding warrants (in shares)									0
Common Stock Warrants
Class of Warrant or Right [Line Items]
Warrants, aggregate shares							404,634
Exercise price (in dollars per share)							$ 8.86
Issued warrants (in shares)									49,891
Deemed dividend									$ 87,362
Purchase price							$ 150,000
Value of warrants									2,300,000
Class of Warrant or Right, Exercise Price of Warrants or Rights							$ 8.86
Notes
Class of Warrant or Right [Line Items]
Loan Amount	$ 100,000						$ 30,000,000
Additional debt discount									300,000
Until April 1, 2021 \| Notes
Class of Warrant or Right [Line Items]
Threshold percentage of increase in ownership shift	42.00%
Thereafter \| Notes
Class of Warrant or Right [Line Items]
Threshold percentage of increase in ownership shift	40.00%
Sponsorship Agreement
Class of Warrant or Right [Line Items]
Value of stock issuable			$ 600,000
Value of stock issued									229,886
Sponsorship fee payable in cash			700,000
Sponsorship fee			$ 1,300,000
Number of installments			four
Payment made for sponsorship fee									$ 400,000