Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Revenues	$ 67,707	$ 69,609	$ 197,552	$ 204,957
Total revenues	69,193	71,042	202,331	209,803
Operating expenses:
Selling, general and administrative	18,211	14,823	52,842	51,352
Product development	3,686	3,816	11,385	9,671
Depreciation and amortization	12,794	12,081	37,998	36,146
Acquisition-related and integration costs	4	395	693	1,495
Income (loss) from operations	2,290	2,484	2,015	(2,928)
Other income (expense):
Interest income	444	648	1,408	1,576
Other income (expense)	188	120	130	108
Interest expense	(5,287)	(5,232)	(15,850)	(15,733)
Total other expense	(4,655)	(4,464)	(14,312)	(14,049)
Loss before income taxes	(2,365)	(1,980)	(12,297)	(16,977)
Income taxes	1,504	1,242	3,354	3,410
Net loss	(3,869)	(3,222)	(15,651)	(20,387)
Less: Net income attributable to noncontrolling interests	144	73	271	216
Net loss attributable to ORBCOMM Inc.	(4,013)	(3,295)	(15,922)	(20,603)
Net loss attributable to ORBCOMM Inc. common stockholders	$ (4,025)	$ (3,295)	$ (15,934)	$ (20,614)
Per share information-basic:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.05)	$ (0.04)	$ (0.20)	$ (0.27)
Per share information-diluted:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.05)	$ (0.04)	$ (0.20)	$ (0.27)
Weighted average common shares outstanding:
Basic	79,695	78,649	79,591	77,158
Diluted	79,695	78,649	79,591	77,158
Service [Member]
Revenues:
Revenues	$ 40,550	$ 38,473	$ 119,295	$ 114,940
Cost of revenues, exclusive of depreciation and amortization shown below:
Cost of goods and services sold	12,568	12,764	39,123	40,704
Product [Member]
Revenues:
Revenues	27,157	31,136	78,257	90,017
Total revenues	28,643	32,569	83,036	94,863
Cost of revenues, exclusive of depreciation and amortization shown below:
Cost of goods and services sold	$ 19,640	$ 24,679	$ 58,275	$ 73,363