Net Loss Attributable to ORBCOMM Inc. Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Summary of Basic and Diluted Calculations of EPS

The following sets forth the basic and diluted calculations of EPS for the quarters and six months ended June 30, 2018 and 2017:

	Quarters Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Net loss attributable to ORBCOMM Inc.    common stockholders	$	(7,233	)	$	(10,740	)	$	(17,319	)	$	(14,083	)
Weighted average number of common shares outstanding:
Basic number of common shares outstanding		78,079			71,978			76,404			71,703
Dilutive effect of unvested SARs and RSUs and shares    of Series A convertible preferred stock		—			—			—			—
Diluted number of common shares outstanding		78,079			71,978			76,404			71,703
Earnings per share:
Basic	$	(0.09	)	$	(0.15	)	$	(0.23	)	$	(0.20	)
Diluted	$	(0.09	)	$	(0.15	)	$	(0.23	)	$	(0.20	)

Summary of Net Loss Attributable to ORBCOMM Inc. Common Stockholders

The computation of net loss attributable to ORBCOMM Inc. common stockholders for the quarters and six months ended June 30, 2018 and 2017 is as follows:

	Quarters Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Net loss attributable to ORBCOMM Inc.	$	(7,222	)	$	(10,740	)	$	(17,308	)	$	(14,083	)
Preferred stock dividends on Series A convertible preferred    stock		(11	)		—			(11	)		—
Net loss attributable to ORBCOMM Inc.    common stockholders	$	(7,233	)	$	(10,740	)	$	(17,319	)	$	(14,083	)