Per Share Amounts (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

The following table sets forth the computation of basic and diluted earnings per share for the three and nine-month periods ended September 30, 2020 and 2019:

	Three Months ended September 30,				Nine Months ended September 30,
	2020		2019		2020		2019
Net (loss) income attributable to American Shared Hospital Services	$	(209,000)	$	165,000	$	(827,000)	$	466,000
Weighted average common shares for basic earnings per share	6,049,000		5,889,000		6,060,000		5,899,000
Diluted effect of stock options and restricted stock awards	—		19,000		—		18,000
Weighted average common shares for diluted earnings per share	6,049,000		5,908,000		6,060,000		5,917,000
Basic (loss) earnings per share	$	(0.03)	$	0.03	$	(0.14)	$	0.08
Diluted (loss) earnings per share	$	(0.03)	$	0.03	$	(0.14)	$	0.08