Equity - Plan Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Options Outstanding and Exercisable
Exercise Price (in dollars per share)	$ 4.07		$ 4.07
Stock option activity
Outstanding at the beginning of the period (in shares)			70,721
Outstanding at the end of the year (in shares)	70,721		70,721
Exercisable at the end of the period (in shares)	70,721		70,721
Weighted average exercise price
Outstanding at the beginning of the period (in dollars per share)			$ 4.07
Outstanding at the end of the period (in dollars per share)	$ 4.07		4.07
Exercisable at the end of the period (in dollars per share)	$ 4.07		$ 4.07
Additional Disclosures
Outstanding at the end of the period, Weighted Average Remaining Contractual Life (Years)			4 years 18 days
Exercisable at the end of the period, Weighted Average Remaining Contractual Life (Years)			4 years 18 days
Stock options
Unrecognized compensation cost
Stock based compensation expense recognized	$ 0	$ 7	$ 0	$ 15
Total unrecognized compensation cost	$ 0		$ 0
Amended And Restated Plan
Stock option activity
Outstanding at the beginning of the period (in shares)			444
Outstanding at the end of the year (in shares)	444		444
2016 Plan
Stock option activity
Outstanding at the beginning of the period (in shares)			70,277
Outstanding at the end of the year (in shares)	70,277		70,277