Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Nonvested Restricted Stock Shares Activity [Table Text Block]

		Weighted
	Number of	Average Grant
	Units	Date Fair Value
Unvested at December 31, 2019	908,088	$	8.73
Granted	902,775		4.96
Vested	(130,532)		10.08
Forfeited	(20,023)		11.28
Unvested at March 31, 2020	1,660,308	$	6.55

Share-based Payment Arrangement, Option, Activity [Table Text Block]

		Weighted
	Number of	Average Grant
	Units	Date Fair Value
Unvested at December 31, 2019	359,259	$	4.95
Vested	(54,307)		4.41
Forfeited/Canceled	(42,515)		5.00
Unvested at March 31, 2020	262,437	$	5.05

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

	Number of	Weighted
	Units	Average
Unvested at December 31, 2019	842,888	$	2.14
Vested	(153,323)		2.15
Unvested at March 31, 2020	689,565	$	2.14