Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 53,766	$ 34,830
Accounts receivable, net of allowances for doubtful accounts of $4,072 and $400, respectively	57,665	46,900
Inventories	34,300	42,437
Prepaid expenses and other current assets	15,553	18,692
Total current assets	161,284	142,859
Satellite network and other equipment, net	160,070	174,178
Goodwill	166,129	166,678
Intangible assets, net	86,264	99,339
Other assets	12,603	12,036
Deferred income taxes	109	104
Total assets	586,459	595,194
Current liabilities:
Accounts payable	15,527	29,298
Accrued liabilities	35,735	33,016
Current portion of deferred revenue	5,954	6,263
Total current liabilities	57,216	68,577
Note payable — related party	1,298	1,366
Notes payable, net of unamortized deferred issuance costs	245,907	245,131
Deferred revenue, net of current portion	5,471	2,459
Deferred tax liabilities	16,109	17,646
Other liabilities	2,600	13,619
Total liabilities	328,601	348,798
Commitments and contingencies
ORBCOMM Inc. stockholders’ equity
Common stock, par value $0.001; 250,000,000 shares authorized; 79,008,243 and 74,436,579 shares issued at December 31, 2018 and December 31, 2017	79	74
Additional paid-in capital	449,343	411,298
Accumulated other comprehensive (loss) income	(381)	256
Accumulated deficit	(192,507)	(166,245)
Less treasury stock, at cost; 29,990 shares at December 31, 2018 and December 31, 2017	(96)	(96)
Total ORBCOMM Inc. stockholders’ equity	256,832	245,663
Noncontrolling interests	1,026	733
Total equity	257,858	246,396
Total liabilities and equity	586,459	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; 39,442 and 37,544 shares issued and outstanding at December 31, 2018 and December 31, 2017, respectively	$ 394	$ 376