Stockholders' Equity - Additional Information (Details) - USD ($)		1 Months Ended		3 Months Ended		6 Months Ended
	Aug. 23, 2019	Jun. 30, 2020	May 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2020
ATM Agreement | Additional Paid-in Capital | Legal Accounting and Other Costs
Stockholders Equity Note [Line Items]
Stock issuance cost						$ 135,000
ATM Agreement | Jefferies | Common Stock
Stockholders Equity Note [Line Items]
Percentage of commission on gross sales proceeds	3.00%
Number of shares sold					1,502,892
Proceeds from sale of shares,Net					$ 10,400,000
ATM Agreement | Jefferies | Common Stock | Maximum
Stockholders Equity Note [Line Items]
Aggregate offering price	$ 15,000,000
ATM Agreement | Jefferies | Common Stock | Weighted Average
Stockholders Equity Note [Line Items]
Selling price per share					$ 7.13
Underwritten Public Offering | Common Stock
Stockholders Equity Note [Line Items]
Number of shares sold		440,242	5,780,347	6,220,589
Selling price per share		$ 8.65	$ 8.65	$ 8.65		$ 8.65
Proceeds from sale of shares,Net		$ 3,600,000	$ 46,600,000
Underwritten Public Offering | Common Stock | Maximum
Stockholders Equity Note [Line Items]
Option granted to purchase additional shares			867,052