Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues:
Service revenues	$ 134,938	$ 112,881	$ 99,973
Product sales	119,282	73,863	78,320
Total revenues	254,220	186,744	178,293
Cost of revenues, exclusive of depreciation and amortization shown below:
Cost of services	50,548	37,913	34,109
Cost of product sales	99,640	55,037	56,413
Operating expenses:
Selling, general and administrative	55,753	46,915	44,395
Product development	8,941	6,252	6,469
Impairment charges - satellite network	31,224	10,680	12,748
Depreciation and amortization	45,681	42,803	26,571
Acquisition-related and integration costs	3,315	1,630	4,803
Loss from operations	(40,882)	(14,486)	(7,215)
Other (expense) income:
Interest income	959	378	344
Other (expense) income	(160)	484	339
Interest expense	(17,653)	(9,085)	(5,242)
Loss on debt extinguishment	(3,868)
Total other expense	(20,722)	(8,223)	(4,559)
Loss before income taxes	(61,604)	(22,709)	(11,774)
Income taxes	(409)	517	1,225
Net loss	(61,195)	(23,226)	(12,999)
Less: Net income attributable to the noncontrolling interests	89	285	252
Net loss attributable to ORBCOMM Inc.	(61,284)	(23,511)	(13,251)
Net loss attributable to ORBCOMM Inc. common stockholders	$ (61,296)	$ (23,525)	$ (13,287)
Per share information-basic:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.84)	$ (0.33)	$ (0.19)
Per share information-diluted:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.84)	$ (0.33)	$ (0.19)
Weighted average common shares outstanding:
Basic	72,882	70,907	70,419
Diluted	72,882	70,907	70,419