Shareholders' Equity (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	Apr. 03, 2018
Value of shares issued	$ 1,550	$ 11,002	$ 11,900	$ 21,905
Period for consulting agreement				1 year
Cash dividend rate declared, per common share	$ 0.01	$ 0.005	$ 0.02	$ 0.01
Share issue price ( in dollars per share)		3.88		3.88
Cash dividend rate paid, per common share	$ 0.01	$ 0.005	$ 0.02	$ 0.01
Shares issued as payment for third-party agreement				25,000
Dividends	$ 708	$ 319	$ 1,373	$ 626
ATM Agreement
Sale of shares	484,500	3,314,742	4,334,500	5,851,872
Value of shares issued	$ 1,600	$ 11,000	$ 11,900	$ 21,800
Maximum | ATM Agreement
Common stock aggregate gross sales price					$ 75,000