Common Stock (Details)	12 Months Ended
	Dec. 31, 2019 Vote $ / shares shares	May 13, 2019 $ / shares shares	Dec. 31, 2018 $ / shares shares
Common Stock.
Common stock, number of shares authorized	100,000,000	100,000,000	158,745,671
Common stock, par value per share | $ / shares	$ 0.001	$ 0.001	$ 0.001
Common stock, shares issued	27,499,260		1,374,812
Common stock, shares outstanding	27,499,260	15,560,569	1,374,812
Number of votes per share | Vote	1
Dividends declared | $ / shares	$ 0