Note 9 - Earnings Per Share (Tables)

9 Months Ended

Sep. 29, 2013

Earnings Per Share [Abstract]

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

	Three Month Period Ended				Nine Month Period Ended
	September 29, 2013		September 30, 2012		September 29, 2013			September 30, 2012
Net Income (Loss) from continuing operations attributable to Ultralife common shareholders (a)	$	629	$	1,479	$	(1,154	)	$	(3,169	)
Effect of Dilutive Securities		-		-		-			-
Net Income (Loss) from continuing operations attributable to Ultralife common shareholders - Adjusted (b)	$	629	$	1,479	$	(1,154	)	$	(3,169	)
Net Income from discontinued operations attributable to Ultralife common shareholders (c)	$	15	$	200	$	159		$	178
Effect of Dilutive Securities		-		-		-			-
Net Income from discontinued operations attributable to Ultralife common shareholders - Adjusted (d)	$	15	$	200	$	159		$	178
Average Common Shares Outstanding – Basic (e)		17,467,000		17,418,000		17,461,000			17,390,000
Effect of Dilutive Securities:
Stock Options / Warrants		65,000		-		-			-
Average Common Shares Outstanding – Diluted (f)		17,532,000		17,418,000		17,461,000			17,390,000

EPS – Basic (a/e) - continuing operations	$	0.04	$	0.09	$	(0.07	)	$	(0.18	)
EPS – Basic (c/e) - discontinued operations	$	0.00	$	0.01	$	0.01		$	0.01
EPS – Diluted (b/f) - continuing operations	$	0.04	$	0.09	$	(0.07	)	$	(0.18	)
EPS – Diluted (d/f) - discontinued operations	$	0.00	$	0.01	$	0.01		$	0.01