Equity - Plan Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Options Outstanding and Exercisable
Exercise Price (in dollars per share)	$ 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
Exercisable at the end of the period (in shares)	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
Exercisable at the end of the period (in dollars per share)	$ 4.07
Additional Disclosures
Outstanding at the end of the period, Weighted Average Remaining Contractual Life (Years)	4 years 3 months 18 days
Exercisable at the end of the period, Weighted Average Remaining Contractual Life (Years)	4 years 3 months 18 days
Stock options
Unrecognized compensation cost
Stock based compensation expense recognized	$ 0	$ 7
Total unrecognized compensation cost	$ 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
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