Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Revenues	$ 65,353	$ 56,030	$ 127,288	$ 122,003
Total revenues	65,928	56,732	129,623	122,911
Operating expenses:
Selling, general and administrative	17,706	17,474	34,971	37,204
Product development	3,218	2,784	6,609	6,604
Depreciation and amortization	11,728	12,409	23,960	25,773
Impairment loss - satellite network			6,656
Acquisition-related and integration costs	2,653	111	3,241	202
Loss from operations	(4,685)	(1,816)	(13,418)	(3,004)
Other income (expense):
Interest income	167	265	404	681
Other (expense) income	(121)	(234)	875	(500)
Interest expense	(2,192)	(5,410)	(4,420)	(10,656)
Total other expense	(2,146)	(5,379)	(3,141)	(10,475)
Loss before income taxes	(6,831)	(7,195)	(16,559)	(13,479)
Income tax expense (benefit)	778	(554)	1,441	(1)
Net loss	(7,609)	(6,641)	(18,000)	(13,478)
Less: Net income attributable to noncontrolling interests	32	29	203	167
Net loss attributable to ORBCOMM Inc.	(7,641)	(6,670)	(18,203)	(13,645)
Net loss attributable to ORBCOMM Inc. common stockholders	$ (7,658)	$ (6,670)	$ (18,232)	$ (13,645)
Per share information-basic:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.10)	$ (0.09)	$ (0.23)	$ (0.17)
Per share information-diluted:
Net loss attributable to ORBCOMM Inc. common stockholders	$ (0.10)	$ (0.09)	$ (0.23)	$ (0.17)
Weighted average common shares outstanding:
Basic	79,547	78,071	79,311	78,192
Diluted	79,547	78,071	79,311	78,192
Service [Member]
Revenues:
Revenues	$ 37,542	$ 38,429	$ 75,292	$ 78,953
Cost of revenues, exclusive of depreciation and amortization shown below:
Cost of goods and services sold	12,783	12,559	25,469	25,640
Product [Member]
Revenues:
Revenues	27,811	17,601	51,996	43,050
Total revenues	28,386	18,303	54,331	43,958
Cost of revenues, exclusive of depreciation and amortization shown below:
Cost of goods and services sold	$ 22,525	$ 13,211	$ 42,135	$ 30,492