Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Revenues:
Service revenues	$ 8,980		$ 7,277		$ 16,377		$ 14,159
Product sales	1,829		560		2,315		1,095
Total revenues	10,809		7,837		18,692		15,254
Costs and expenses:
Costs of services	3,775	[1]	3,060	[1]	7,238	[1]	6,196	[1]
Costs of product sales	1,366		349		1,656		672
Selling, general and administrative	4,649	[1]	4,020	[1]	9,070	[1]	8,182	[1]
Product development	281	[1]	159	[1]	455	[1]	323	[1]
Acquisition-related costs	778				1,035
Total costs and expenses	10,849	[1]	7,588	[1]	19,454	[1]	15,373	[1]
Income (loss) from operations	(40)		249		(762)		(119)
Other income (expense):
Interest income	44		55		98		92
Other income (expense)	(307)		39		(206)		(81)
Interest expense	(78)		(48)		(126)		(96)
Total other income (expense)	(341)		46		(234)		(85)
Income (loss) from continuing operations before income taxes	(381)		295		(996)		(204)
Income Taxes	195				306
Income (loss) from continuing operations	(576)		295		(1,302)		(204)
Loss from discontinued operations			(3,479)				(3,570)
Net loss	(576)		(3,184)		(1,302)		(3,774)
Less: Net income (loss) attributable to the noncontrolling interests	(35)		112		(30)		257
Net loss attributable to ORBCOMM Inc.	(541)		(3,296)		(1,272)		(4,031)
Net loss attributable to ORBCOMM Inc.:
Income (loss) from continuing operations	(541)		183		(1,272)		(461)
Loss from discontinued operations			(3,479)				(3,570)
Net loss attributable to ORBCOMM Inc.	(541)		(3,296)		(1,272)		(4,031)
Per share information-basic:
Income (loss) from continuing operations	$ (0.01)				$ (0.03)		$ (0.01)
Loss from discontinued operations			$ (0.08)				$ (0.08)
Net loss attributable to ORBCOMM Inc.	$ (0.01)		$ (0.08)		$ (0.03)		$ (0.09)
Per share information-diluted:
Income (loss) from continuing operations	$ (0.01)				$ (0.03)		$ (0.01)
Loss from discontinued operations			$ (0.08)				$ (0.08)
Net loss attributable to ORBCOMM Inc.	$ (0.01)		$ (0.08)		$ (0.03)		$ (0.09)
Weighted average common shares outstanding:
Basic	44,211		42,563		43,472		42,561
Diluted	44,211		42,613		43,472		42,561
Stock-based compensation included in costs and expenses:
Costs and expenses:
Costs of services	25	[1]	29	[1]	60	[1]	43	[1]
Selling, general and administrative	364	[1]	557	[1]	589	[1]	973	[1]
Product development	7	[1]	6	[1]	10	[1]	8	[1]
Weighted average common shares outstanding:
Total allocated stock-based compensation	$ 396	[1]	$ 592	[1]	$ 659	[1]	$ 1,024	[1]

[1] Stock-based compensation included in costs and expenses: