Organization and Operations - Registered Direct Offering (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Sep. 30, 2016	Jun. 30, 2015
Over-Allotment option for underwriters
Common stock offering
Shares issued		750,000
Common stock | Registered Direct Offering
Common stock offering
Shares issued	2,875,000
Share price (in dollars per share)	$ 4.00
Implied underwriting discount and commission (in dollars per share)	$ 11.50
Additional common stock issued	$ 10.6
Offering costs	$ 0.9
Common stock | Over-Allotment option for underwriters
Common stock offering
Shares issued	375,000