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SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 item | Sep. 30, 2012 | Dec. 31, 2012
SEGMENT REPORTING |  |  |  |  |
Number of reportable segments |  |  | 4 |  |
Revenue |  |  |  |  |
Revenue | $ 79,350 | $ 73,312 | $ 215,807 | $ 207,884 |
Depreciation and amortization | 12,335 | 12,421 | 36,517 | 38,304 |
Non-cash stock-based compensation | 926 | 774 | 3,419 | 2,585 |
Operating income (loss) | 20,038 | 16,171 | 48,023 | 35,518 |
Segment Assets |  |  |  |  |
Net fixed assets | 253,210 |  | 253,210 |  | 238,324
Goodwill | 45,077 |  | 45,077 |  | 45,077
Total assets | 1,089,166 |  | 1,089,166 |  | 910,875
Assets associated with discontinued operations | 4,923 |  | 4,923 |  | 380,765
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 55,171 | 28,575 |
U.S. wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 32,796 | 29,042 | 80,597 | 77,970 |
International wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 22,895 | 21,014 | 66,162 | 60,186 |
Wireline |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 21,504 | 21,289 | 62,945 | 64,094 |
Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 2,155 | 1,967 | 6,103 | 5,634 |
U.S. Wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 33,057 | 29,279 | 81,367 | 78,632 |
Depreciation and amortization | 4,039 | 4,200 | 12,119 | 13,634 |
Operating income (loss) | 18,293 | 14,879 | 40,472 | 35,799 |
Segment Assets |  |  |  |  |
Net fixed assets | 69,291 |  | 69,291 |  | 52,944
Goodwill | 32,148 |  | 32,148 |  | 32,148
Total assets | 725,836 |  | 725,836 |  | 161,038
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 27,736 | 7,516 |
U.S. Wireless | Wireline |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 152 | 152 | 457 | 450 |
U.S. Wireless | Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 109 | 85 | 313 | 212 |
International Integrated Telephony |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 23,074 | 23,566 | 67,974 | 70,579 |
Depreciation and amortization | 4,551 | 4,406 | 13,476 | 13,424 |
Operating income (loss) | 7,028 | 6,596 | 19,596 | 16,973 |
Segment Assets |  |  |  |  |
Net fixed assets | 118,143 |  | 118,143 |  | 126,532
Total assets | 195,412 |  | 195,412 |  | 191,314
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 9,039 | 7,362 |
International Integrated Telephony | International wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 7,046 | 6,838 | 20,330 | 19,891 |
International Integrated Telephony | Wireline |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 15,640 | 16,351 | 46,493 | 49,354 |
International Integrated Telephony | Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 388 | 377 | 1,151 | 1,334 |
Island Wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 17,443 | 15,627 | 50,300 | 44,242 |
Depreciation and amortization | 2,551 | 2,875 | 7,705 | 8,444 |
Operating income (loss) | 3,292 | 1,043 | 7,226 | (319) |
Segment Assets |  |  |  |  |
Net fixed assets | 30,568 |  | 30,568 |  | 33,745
Goodwill | 5,438 |  | 5,438 |  | 5,438
Total assets | 79,343 |  | 79,343 |  | 77,120
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 4,014 | 3,915 |
Island Wireless | International wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 15,849 | 14,176 | 45,832 | 40,295 |
Island Wireless | Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 1,594 | 1,451 | 4,468 | 3,947 |
U.S. Wireline |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 5,776 | 4,840 | 16,166 | 14,431 |
Depreciation and amortization | 816 | 697 | 2,252 | 2,135 |
Operating income (loss) | (255) | (566) | (786) | (1,655) |
Segment Assets |  |  |  |  |
Net fixed assets | 25,858 |  | 25,858 |  | 17,489
Goodwill | 7,491 |  | 7,491 |  | 7,491
Total assets | 43,859 |  | 43,859 |  | 30,888
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 11,231 | 7,280 |
U.S. Wireline | Wireline |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 5,712 | 4,786 | 15,995 | 14,290 |
U.S. Wireline | Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 64 | 54 | 171 | 141 |
Reconciling Items |  |  |  |  |
Revenue |  |  |  |  |
Depreciation and amortization | 378 | 243 | 965 | 667 |
Non-cash stock-based compensation | 926 | 774 | 2,898 | 2,566 |
Operating income (loss) | (8,320) | (5,781) | (18,485) | (15,280) |
Segment Assets |  |  |  |  |
Net fixed assets | 9,350 |  | 9,350 |  | 7,614
Total assets | 44,716 |  | 44,716 |  | 69,750
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | $ 3,151 | $ 2,502 |

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