Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands			2 Months Ended	12 Months Ended
	Feb. 03, 2021	Aug. 26, 2020	Mar. 15, 2021	Dec. 31, 2020	Dec. 31, 2019
Subsequent Event [Line Items]
Proceeds from warrants exercised				$ 1,658	$ 0
Warrants
Subsequent Event [Line Items]
Warrants exercised (in shares)				207,296
Proceeds from warrants exercised				$ 1,658
Public offering
Subsequent Event [Line Items]
Issuance costs		$ 425
Common stock issued in offering (in shares)		835,000
Common stock price (in dollars per share)		$ 4.25
Subsequent Event
Subsequent Event [Line Items]
Proceeds from warrants exercised			$ 3,856
Subsequent Event | Warrants
Subsequent Event [Line Items]
Warrants exercised (in shares)			481,973
Subsequent Event | Public offering
Subsequent Event [Line Items]
Amount received from offering of common stock, net of issuance costs	$ 11,996
Issuance costs	$ 744
Common stock issued in offering (in shares)	1,040,000
Common stock price (in dollars per share)	$ 12.25