Nature of Business - The Company (Details)	Sep. 25, 2018	Dec. 31, 2018 $ / shares shares	Jun. 07, 2018 $ / shares shares	Jun. 06, 2018 shares	Mar. 21, 2018 $ / shares shares	Mar. 20, 2018 shares	Dec. 31, 2017 $ / shares shares
Nature of Business
Common Stock authorized (in shares) | shares		250,000,000	250,000,000	100,000,000	100,000,000	25,000,000	25,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01		$ 0.01		$ 0.01
Reverse stock split ratio	0.067