Equity - Plan Activity (Details) - Stock options - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
Sep. 30, 2019	Jan. 01, 2019
Options Outstanding and Exercisable
Options outstanding		320,721
Exercised (in shares)	0
Number of shares	70,721
Unrecognized compensation cost
Total unrecognized compensation cost	$ 0.5
Amended And Restated Plan
Options Outstanding and Exercisable
Options outstanding		444
2016 Plan
Options Outstanding and Exercisable
Options outstanding		320,277
4.02
Options Outstanding and Exercisable
Exercise Price (in dollars per share)	$ 4.02
Number of shares	70,277
Weighted-Average Remaining Contractual Life (Years)	4 years 8 months 12 days
11.40
Options Outstanding and Exercisable
Exercise Price (in dollars per share)	$ 11.40
Number of shares	444
Weighted-Average Remaining Contractual Life (Years)	5 years 3 months 18 days

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Amount of cost to be recognized for option under share-based payment arrangement.

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