Subsequent Events (Details) $ / shares in Units, $ in Thousands	1 Months Ended	9 Months Ended
	Oct. 31, 2020 USD ($) D $ / shares shares	Sep. 30, 2020 USD ($) $ / shares shares	Sep. 30, 2019 USD ($)	Dec. 31, 2019 $ / shares shares
Subsequent Events
Common stock to offer, issue and sell (in shares) | shares		8,923,374		8,918,461
Common stock, par value per share (in dollars per share)		$ 0.0001		$ 0.0001
Gross proceeds | $		$ 0	$ 4,958
Subsequent event
Subsequent Events
Gross proceeds | $	$ 8,500
Subsequent event | Securities Purchase Agreement
Subsequent Events
Warrant shares to purchase (in shares) | shares	567,234
Gross proceeds | $	$ 8,500
Combined purchase price for each Share, together with one Series A Warrant and one Series B Warrant	$ 7.4925
Subsequent event | Securities Purchase Agreement | Series A Warrant
Subsequent Events
Exercise price of warrants (in dollars per share)	$ 7.43
Exercisable term of warrants	6 months
Expiration term of warrants	3 years 6 months
Subsequent event | Securities Purchase Agreement | Series B Warrant
Subsequent Events
Exercise price of warrants (in dollars per share)	$ 9.00
Exercisable term of warrants	6 months
Expiration term of warrants	3 years 6 months
Redemption price of warrants (in dollars per share)	$ 0.01
Redeemable of warrant, minimum price of the Company's common stock for five consecutive trading days (in dollars per share)	$ 9.00
Redeemable of warrant, number of consecutive trading days upon the price of the Company's common stock closing at $9.00 or more | D	5
Subsequent event | Securities Purchase Agreement | Arcadia Securities, LLC
Subsequent Events
Fee, percentage of aggregate purchase price	3.50%
Subsequent event | Securities Purchase Agreement | Cantor Fitzgerald & Co
Subsequent Events
Fee, percentage of aggregate purchase price	3.50%
Subsequent event | Forecast | Securities Purchase Agreement
Subsequent Events
Common stock to offer, issue and sell (in shares) | shares	1,134,470
Common stock, par value per share (in dollars per share)	$ 0.0001