Net Earnings Per Share - Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net Income (Loss) Available to Common Stockholders, Basic [Abstract]
Net income (loss)	$ (1,812)	$ 1,520	$ 2,245	$ 4,041
Less: Deemed dividends on convertible preferred stock		$ (1,520)		$ (4,041)
Net income (loss) attributable to common stockholders	$ (1,812)		$ 2,245
Weighted Average Number of Shares Outstanding, Basic [Abstract]
Weighted-average shares used in computing basic net income (loss) per share attributable to common stockholders (in shares)	85,281,151	5,172,209	84,909,692	5,164,564
Earnings Per Share, Basic [Abstract]
Basic net income (loss) per share attributable to common stockholders (in dollars per share)	$ (0.02)		$ 0.03
Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]
Net income (loss) attributable to common stockholders	$ (1,812)		$ 2,245
Diluted net income (loss) attributable to common stockholders	$ (1,812)		$ 2,245
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted-average shares used in computing basic net income (loss) per share attributable to common stockholders (in shares)	85,281,151	5,172,209	84,909,692	5,164,564
Effect of dilutive securities (in shares)			13,977,498
Weighted-average shares used in computing diluted net (loss) income per share attributable to common stockholders (in shares)	85,281,151	5,172,209	98,887,190	5,164,564
Earnings Per Share, Diluted [Abstract]
Diluted net income (loss) per share attributable to common stockholders (in dollars per share)	$ (0.02)		$ 0.02