Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 24,718	$ 17,026
Restricted cash	1,000	1,000
Marketable securities	54,788	67,902
Accounts receivable, net of allowances for doubtful accounts of $511 and $557	8,350	4,536
Inventories	2,139	172
Prepaid expenses and other current assets	1,721	1,377
Deferred income taxes	90	117
Total current assets	92,806	92,130
Satellite network and other equipment, net	73,486	71,684
Goodwill	9,099	0
Intangible assets, net	7,876	1,114
Restricted cash	2,220	3,030
Deferred income taxes	105	141
Other assets	1,383	1,092
Other investment	0	2,278
Total assets	186,975	171,469
Current liabilities:
Accounts payable	3,272	2,143
Accrued liabilities	6,861	6,043
Current portion of note payable	125	0
Current portion of deferred revenue	2,286	2,134
Total current liabilities	12,544	10,320
Note payable - related party	1,606	1,416
Note payable, net of current portion	3,490	0
Deferred revenue, net of current portion	1,400	1,239
Other liabilities	258	375
Total liabilities	19,298	13,350
Commitments and contingencies
ORBCOMM Inc. stockholders' equity
Series A convertible preferred stock, par value $0.001; 1,000,000 shares authorized; 183,550 and 0 shares issued and outstanding	1,834	0
Common stock, par value $0.001; 250,000,000 shares authorized; 45,630,194 and 42,616,950 shares issued and outstanding	46	43
Additional paid-in capital	243,260	234,125
Accumulated other comprehensive income	1,206	1,126
Accumulated deficit	(77,856)	(76,584)
Total ORBCOMM Inc. stockholders' equity	168,490	158,710
Noncontrolling interests	(813)	(591)
Total equity	167,677	158,119
Total liabilities and equity	$ 186,975	$ 171,469