Net (loss) Income Attributable to ORBCOMM Inc. Common Stockholders (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Summary of Determination of Diluted Income per Share, Excluding Potentially Dilutive Securities

The potentially dilutive securities excluded from the determination of diluted income per share, as their effect is antidilutive, are as follows:

	Three months ended March 31,
	2014		2013
Series A convertible preferred stock		155,335		—
SARs		4,427,818		3,513,241
RSUs		165,255		42,391
Stock options		50,000		424,116
		4,798,408		3,979,748

Summary of Net Income Attributable to ORBCOMM Inc, Common Stockholders

The computation of net (loss) income attributable to ORBCOMM Inc. common stockholders is as follows for the three months March 31, 2014 and 2013.

	Three months ended
	March 31,
	2014			2013
Net (loss) income attributable to ORBCOMM Inc.	$	(431	)	$	1,108
Preferred stock dividends on Series A convertible preferred stock		(10	)		(16	)
Net (loss) income attributable to ORBCOMM Inc. common stockholders	$	(441	)	$	1,092