Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Revenues	$ 69,609	$ 66,939	$ 204,957	$ 175,817
Total revenues	71,042	69,366	209,803	178,244
Operating expenses:
Selling, general and administrative	14,823	13,755	51,352	39,329
Product development	3,816	2,453	9,671	5,964
Depreciation and amortization	12,081	12,041	36,146	34,463
Impairment loss - satellite network		31,224		31,224
Acquisition-related and integration costs	395	800	1,495	2,290
Income (loss) from operations	2,484	(34,221)	(2,928)	(36,496)
Other income (expense):
Interest income	648	266	1,576	522
Other income (expense)	120	(32)	108	(210)
Interest expense	(5,232)	(5,197)	(15,733)	(12,466)
Loss on debt extinguishment				(3,868)
Total other expense	(4,464)	(4,963)	(14,049)	(16,022)
Loss before income taxes	(1,980)	(39,184)	(16,977)	(52,518)
Income taxes	1,242	479	3,410	1,192
Net loss	(3,222)	(39,663)	(20,387)	(53,710)
Less: Net income attributable to noncontrolling interests	73	19	216	55
Net loss attributable to ORBCOMM Inc.	(3,295)	(39,682)	(20,603)	(53,765)
Net loss attributable to ORBCOMM Inc. common stockholders	$ (3,295)	$ (39,694)	$ (20,614)	$ (53,777)
Per share information-basic:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.04)	$ (0.54)	$ (0.27)	$ (0.74)
Per share information-diluted:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.04)	$ (0.54)	$ (0.27)	$ (0.74)
Weighted average common shares outstanding:
Basic	78,649	73,762	77,158	72,396
Diluted	78,649	73,762	77,158	72,396
Service [Member]
Revenues:
Revenues	$ 38,473	$ 35,040	$ 114,940	$ 95,629
Cost of revenues, exclusive of depreciation and amortization shown below:
Cost of goods and services sold	12,764	13,638	40,704	33,856
Product [Member]
Revenues:
Revenues	31,136	31,899	90,017	80,188
Total revenues	32,569	34,326	94,863	82,615
Cost of revenues, exclusive of depreciation and amortization shown below:
Cost of goods and services sold	$ 24,679	$ 29,676	$ 73,363	$ 67,614