Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2017

The following table reconciles the income (loss) and average share amounts used to compute both basic and diluted income (loss) per share:

	Years Ended
	December 31,
(Amounts in Thousands, Except for Per Share Amounts)	2017			2016
Net loss attributable to Perma-Fix Environmental Services, Inc., common stockholders:
Loss from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders	$	(3,088	)	$	(12,675	)
Loss from discontinuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders		(592	)		(730	)
Net loss attributable to Perma-Fix Environmental Services, Inc. common stockholders	$	(3,680	)	$	(13,405	)

Basic loss per share attributable to Perma-Fix Environmental Services, Inc. common stockholders	$	(.31	)	$	(1.15	)

Diluted loss per share attributable to Perma-Fix Environmental Services, Inc. common stockholders	$	(.31	)	$	(1.15	)

Weighted average shares outstanding:
Basic weighted average shares outstanding		11,706			11,608
Add: dilutive effect of stock options		─			─
Add: dilutive effect of warrants		─			─
Diluted weighted average shares outstanding		11,706			11,608


Potential shares excluded from above weighted average share calcualtions due to their anti-dilutive effect include:
Stock options		595			150