Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Revenues	$ 56,030	$ 65,016	$ 122,003	$ 129,845
Total revenues	56,732	67,103	122,911	133,138
Operating expenses:
Selling, general and administrative	17,474	17,452	37,204	34,631
Product development	2,784	3,732	6,604	7,699
Depreciation and amortization	12,409	12,526	25,773	25,204
Acquisition-related and integration costs	111	474	202	689
Loss from operations	(1,816)	(196)	(3,004)	(275)
Other income (expense):
Interest income	265	572	681	964
Other income (expense)	(234)	(300)	(500)	(58)
Interest expense	(5,410)	(5,322)	(10,656)	(10,563)
Total other expense	(5,379)	(5,050)	(10,475)	(9,657)
Loss before income taxes	(7,195)	(5,246)	(13,479)	(9,932)
Income tax (benefit) expense	(554)	1,140	(1)	1,850
Net loss	(6,641)	(6,386)	(13,478)	(11,782)
Less: Net income attributable to noncontrolling interests	29	33	167	127
Net loss attributable to ORBCOMM Inc.	(6,670)	(6,419)	(13,645)	(11,909)
Net loss attributable to ORBCOMM Inc. common stockholders	$ (6,670)	$ (6,419)	$ (13,645)	$ (11,909)
Per share information-basic:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.09)	$ (0.08)	$ (0.17)	$ (0.15)
Per share information-diluted:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.09)	$ (0.08)	$ (0.17)	$ (0.15)
Weighted average common shares outstanding:
Basic	78,071	79,688	78,192	79,538
Diluted	78,071	79,688	78,192	79,538
Service [Member]
Revenues:
Revenues	$ 38,429	$ 39,738	$ 78,953	$ 78,745
Cost of revenues, exclusive of depreciation and amortization shown below:
Cost of goods and services sold	12,559	13,508	25,640	26,555
Product [Member]
Revenues:
Revenues	17,601	25,278	43,050	51,100
Total revenues	18,303	27,365	43,958	54,393
Cost of revenues, exclusive of depreciation and amortization shown below:
Cost of goods and services sold	$ 13,211	$ 19,607	$ 30,492	$ 38,635