Stockholders' Equity - Summary of Common Stock Warrant Activity (Details) - Warrants - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2020	Jun. 30, 2020
Class Of Stock [Line Items]
Shares, Outstanding June 30, 2020	85,913
Shares, Warrants issued	643,000
Shares, Outstanding December 31, 2020	728,752	85,913
Weighted Average Exercise Price, Outstanding June 30, 2020	$ 5.14
Weighted Average Exercise Price, Warrants Issued	2.82
Weighted Average Exercise Price, Outstanding December 31, 2020	$ 3.10	$ 5.14
Aggregate Fair Market Value at Issuance, Outstanding June 30, 2020	$ 194
Aggregate Fair Market Value at Issuance, Warrants Issued	1,256
Aggregate Fair Market Value at Issuance, Outstanding December 31, 2020	$ 1,450	$ 194
Weighted Average Remaining Contractual Term (Years), Outstanding	4 years 8 months 26 days	4 years 8 months 26 days
Warrants issued	4 years 9 months 21 days