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

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Summary of Basic and Diluted Calculations of EPS

The following sets forth the basic and diluted EPS calculations for the quarters and nine months ended September 30, 2018 and 2017:

	Quarters Ended						Nine Months Ended
	September 30,						September 30,
	2018			2017			2018			2017
Net loss attributable to ORBCOMM Inc.    common stockholders	$	(3,295	)	$	(39,694	)	$	(20,614	)	$	(53,777	)
Weighted average number of common shares outstanding:
Basic number of common shares outstanding		78,649			73,762			77,158			72,396
Dilutive effect of unvested SARs and RSUs and shares    of Series A convertible preferred stock		—			—			—			—
Diluted number of common shares outstanding		78,649			73,762			77,158			72,396
Earnings per share:
Basic	$	(0.04	)	$	(0.54	)	$	(0.27	)	$	(0.74	)
Diluted	$	(0.04	)	$	(0.54	)	$	(0.27	)	$	(0.74	)

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 nine months ended September 30, 2018 and 2017 is as follows:

	Quarters Ended						Nine Months Ended
	September 30,						September 30,
	2018			2017			2018			2017
Net loss attributable to ORBCOMM Inc.	$	(3,295	)	$	(39,682	)	$	(20,603	)	$	(53,765	)
Preferred stock dividends on Series A convertible preferred    stock		—			(12	)		(11	)		(12	)
Net loss attributable to ORBCOMM Inc.    common stockholders	$	(3,295	)	$	(39,694	)	$	(20,614	)	$	(53,777	)