Stockholders' Equity - Summary of Common Stock Warrant Activity (Details) - Warrants $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares
Class Of Stock [Line Items]
Shares, Issued | shares	86,000
Shares, Outstanding | shares	85,913
Weighted Average Exercise Price, Issued | $ / shares	$ 5.14
Weighted Average Exercise Price, Outstanding | $ / shares	$ 5.14
Aggregate Fair Market Value at Issuance, Issued | $	$ 194
Aggregate Fair Market Value at Issuance, Outstanding | $	$ 194
Weighted Average Remaining Contractual Life (In years), Outstanding	4 years 8 months 26 days
Weighted Average Remaining Contractual Life (In years), Issued	4 years 8 months 26 days