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

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

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

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

	Years Ended December 31,
	2013		2012		2011
SARs		3,590,838		4,079,861		3,534,266
RSUs		332,605		19,382		143,334
Stock options		—		590,118		757,828
Series A convertible preferred stock		—		—		310,337
		3,923,443		4,689,361		4,745,765