Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 58,078	$ 53,766
Accounts receivable, net of allowance for doubtful accounts of $4,084 and $4,072, respectively	60,233	57,665
Inventories	35,059	34,300
Prepaid expenses and other current assets	17,848	15,553
Total current assets	171,218	161,284
Satellite network and other equipment, net	155,649	160,070
Goodwill	166,129	166,129
Intangible assets, net	83,029	86,264
Other assets	22,547	12,603
Deferred income taxes	495	109
Total assets	599,067	586,459
Current liabilities:
Accounts payable	19,000	15,527
Accrued liabilities	40,570	35,735
Current portion of deferred revenue	5,312	5,954
Total current liabilities	64,882	57,216
Note payable - related party	1,275	1,298
Notes payable, net of unamortized deferred issuance costs	246,101	245,907
Deferred revenue, net of current portion	6,463	5,471
Deferred tax liabilities	15,436	16,109
Other liabilities	10,065	2,600
Total liabilities	344,222	328,601
Commitments and contingencies
ORBCOMM Inc. stockholders' equity
Common stock, par value $0.001; 250,000,000 shares authorized; 79,568,496 and 79,008,243 shares issued at March 31, 2019 and December 31, 2018	80	79
Additional paid-in capital	452,240	449,343
Accumulated other comprehensive income	(887)	(381)
Accumulated deficit	(197,997)	(192,507)
Less treasury stock, at cost; 29,990 shares at March 31, 2019 and December 31, 2018	(96)	(96)
Total ORBCOMM Inc. stockholders' equity	253,734	256,832
Noncontrolling interests	1,111	1,026
Total equity	254,845	257,858
Total liabilities and equity	599,067	586,459
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 shares issued and outstanding at March 31, 2019 and December 31, 2018	$ 394	$ 394