Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 28,225	$ 34,830
Accounts receivable, net of allowance for doubtful accounts of $1,083 and $400, respectively	48,512	46,900
Inventories	48,250	42,437
Prepaid expenses and other current assets	19,798	18,692
Total current assets	144,785	142,859
Satellite network and other equipment, net	171,633	174,178
Goodwill	166,436	166,678
Intangible assets, net	96,058	99,339
Other assets	12,686	12,036
Deferred income taxes	161	104
Total assets	591,759	595,194
Current liabilities:
Accounts payable	24,040	29,298
Accrued liabilities	43,329	33,016
Current portion of deferred revenue	4,631	6,263
Total current liabilities	72,000	68,577
Note payable - related party	1,400	1,366
Note payable, net of unamortized deferred issuance costs	245,325	245,131
Deferred revenue, net of current portion	3,304	2,459
Deferred tax liabilities	18,519	17,646
Other liabilities	11,889	13,619
Total liabilities	352,437	348,798
Commitments and contingencies
ORBCOMM Inc. stockholders' equity
Common stock, par value $0.001; 250,000,000 shares authorized; 75,010,790 and 74,436,579 shares issued at March 31, 2018 and December 31, 2017	75	74
Additional paid-in capital	413,866	411,298
Accumulated other comprehensive income	674	256
Accumulated deficit	(176,331)	(166,245)
Less treasury stock, at cost; 29,990 shares at March 31, 2018 and December 31, 2017	(96)	(96)
Total ORBCOMM Inc. stockholders' equity	238,564	245,663
Noncontrolling interest	758	733
Total equity	239,322	246,396
Total liabilities and equity	591,759	595,194
Series A Convertible Preferred Stock [Member]
ORBCOMM Inc. stockholders' equity
Series A Convertible Preferred Stock, par value $0.001; 1,000,000 shares authorized; 37,544 shares issued and outstanding at March 31, 2018 and December 31, 2017	$ 376	$ 376