Stockholders' Equity - Schedule of Warrants Issued and Outstanding (Details) - $ / shares	Jun. 30, 2020	Jun. 30, 2019
Class of Warrant or Right [Line Items]
Number of warrants issued and outstanding	0	126,000
Weighted average exercise price	$ 4.50
Common Stock
Class of Warrant or Right [Line Items]
Number of warrants issued and outstanding		63,000
Expiration date		Apr. 30, 2024
Common Stock | Weighted Average
Class of Warrant or Right [Line Items]
Weighted average exercise price		$ 6.40
Series B Preferred Stock
Class of Warrant or Right [Line Items]
Expiration date		Jan. 31, 2020
Series B Preferred Stock | Weighted Average
Class of Warrant or Right [Line Items]
Weighted average exercise price		$ 1.46
Series B Preferred Stock | Warrants to Purchase Common Stock
Class of Warrant or Right [Line Items]
Number of warrants issued and outstanding		51,000
Series D Preferred Stock
Class of Warrant or Right [Line Items]
Expiration date		May 31, 2020
Series D Preferred Stock | Weighted Average
Class of Warrant or Right [Line Items]
Weighted average exercise price		$ 2.50
Series D Preferred Stock | Warrants to Purchase Common Stock
Class of Warrant or Right [Line Items]
Number of warrants issued and outstanding		12,000