Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings per share

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Net income	$	2,986	$	1,035	$	8,005	$	2,417
Net income attributable to noncontrolling interest		314		420		612		643
Net income attributable to common stockholders	$	2,672	$	615	$	7,393	$	1,774
Basic weighted average of outstanding shares of common stock		48,742		14,214		48,569		10,321
Dilutive effect of equity awards		570		242		615		122
Diluted weighted average of outstanding shares of common stock		49,312		14,456		49,184		10,443
Basic earnings per share	$	0.05	$	0.04	$	0.15	$	0.17
Diluted earnings per share	$	0.05	$	0.04	$	0.15	$	0.17