(Loss) Earnings Per Share - Narrative (Details) - shares				3 Months Ended		9 Months Ended
	Jul. 02, 2020	Jun. 29, 2020	Jul. 29, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Jul. 12, 2019
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Number of shares issued in transaction (in shares)	300,000	2,000,000
Series F
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Number of shares issued upon net warrants exercised (in shares)			27,207
IPO
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Number of shares issued in transaction (in shares)			4,600,000
Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Number of shares issued in transaction (in shares)				300,000	4,600,000	2,300,000	4,600,000
Conversion of convertible preferred stock (in shares)			8,181,992		8,181,992		8,181,992
Conversion of convertible promissory notes (in shares)			1,661,106		1,661,106		1,661,106
Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Number of shares to be purchased by warrant (in shares)								209,243