Note 8 - Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

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

	Three Months Ended March 31
	2018			2017
Basic:
Weighted average common shares outstanding		15,216,635			15,173,491
Net income (loss) attributable to National HealthCare Corporation	$	(2,791	)	$	12,728
Earnings (loss) per common share, basic	$	(0.18	)	$	0.84
Diluted:
Weighted average common shares outstanding		15,216,635			15,173,491
Dilutive effect of stock options		--			38,642
Weighted average common shares outstanding		15,216,635			15,212,133
Net income (loss) attributable to National HealthCare Corporation	$	(2,791	)	$	12,728
Earnings (loss) per common share, diluted	$	(0.18	)	$	0.84