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SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 item | Jun. 30, 2013 | Dec. 31, 2013
SEGMENT REPORTING |  |  |  |  |
Number of reportable segments |  |  | 4 |  |
Revenue |  |  |  |  |
Revenue | $ 83,269 | $ 71,626 | $ 158,443 | $ 136,458 |
Depreciation and amortization | 12,930 | 12,195 | 24,910 | 24,183 |
Non-cash stock-based compensation | 1,323 | 1,166 | 2,379 | 1,972 |
Operating income (loss) | 21,607 | 15,907 | 37,855 | 27,986 |
Segment Assets |  |  |  |  |
Net fixed assets | 253,027 |  | 253,027 |  | 254,632
Goodwill | 45,077 |  | 45,077 |  | 45,077
Total assets | 830,764 |  | 830,764 |  | 859,719
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 25,104 | 39,696 |
U.S. wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 37,456 | 26,589 | 65,848 | 47,802 |
International wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 22,422 | 21,837 | 45,570 | 43,267 |
Wireline |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 21,283 | 20,877 | 42,813 | 41,441 |
Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 2,108 | 2,323 | 4,212 | 3,948 |
Reconciling Items |  |  |  |  |
Revenue |  |  |  |  |
Depreciation and amortization | 1,284 | 309 | 1,899 | 587 |
Non-cash stock-based compensation | 1,323 | 1,166 | 2,379 | 1,972 |
Operating income (loss) | (7,224) | (5,439) | (12,480) | (10,164) |
Segment Assets |  |  |  |  |
Net fixed assets | 13,778 |  | 13,778 |  | 6,731
Total assets | 266,314 |  | 266,314 |  | 390,944
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 1,253 | 1,623 |
U.S. Wireless | Discontinued operations |  |  |  |  |
Segment Assets |  |  |  |  |
Total assets | 169 |  | 169 |  | 4,748
U.S. Wireless | Operating segments |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 37,815 | 26,844 | 66,538 | 48,312 |
Depreciation and amortization | 3,453 | 3,997 | 6,756 | 8,080 |
Operating income (loss) | 22,651 | 12,934 | 36,239 | 22,179 |
Segment Assets |  |  |  |  |
Net fixed assets | 72,244 |  | 72,244 |  | 73,592
Goodwill | 32,148 |  | 32,148 |  | 32,148
Total assets | 244,308 |  | 244,308 |  | 151,094
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 14,845 | 23,357 |
U.S. Wireless | Operating segments | U.S. wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 37,456 | 26,589 | 65,848 | 47,802 |
U.S. Wireless | Operating segments | Wireline |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 152 | 152 | 305 | 305 |
U.S. Wireless | Operating segments | Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 207 | 103 | 386 | 205 |
International Integrated Telephony | Operating segments |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 21,397 | 22,208 | 43,195 | 44,900 |
Depreciation and amortization | 4,400 | 4,535 | 8,713 | 8,925 |
Operating income (loss) | 4,594 | 6,235 | 10,229 | 12,568 |
Segment Assets |  |  |  |  |
Net fixed assets | 114,557 |  | 114,557 |  | 118,917
Total assets | 200,209 |  | 200,209 |  | 197,903
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 6,072 | 6,116 |
International Integrated Telephony | Operating segments | International wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 6,758 | 6,530 | 13,655 | 13,284 |
International Integrated Telephony | Operating segments | Wireline |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 14,445 | 15,170 | 29,151 | 30,853 |
International Integrated Telephony | Operating segments | Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 194 | 508 | 389 | 763 |
Island Wireless | Operating segments |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 17,305 | 16,962 | 35,228 | 32,856 |
Depreciation and amortization | 2,607 | 2,560 | 5,215 | 5,155 |
Operating income (loss) | 2,552 | 2,301 | 5,978 | 3,935 |
Segment Assets |  |  |  |  |
Net fixed assets | 26,450 |  | 26,450 |  | 29,310
Goodwill | 5,438 |  | 5,438 |  | 5,438
Total assets | 76,897 |  | 76,897 |  | 74,427
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 1,958 | 1,911 |
Island Wireless | Operating segments | International wireless |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 15,664 | 15,307 | 31,915 | 29,983 |
Island Wireless | Operating segments | Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 1,641 | 1,655 | 3,313 | 2,873 |
U.S. Wireline | Operating segments |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 6,752 | 5,612 | 13,482 | 10,390 |
Depreciation and amortization | 1,186 | 794 | 2,327 | 1,436 |
Operating income (loss) | (966) | (124) | (2,040) | (532) |
Segment Assets |  |  |  |  |
Net fixed assets | 25,987 |  | 25,987 |  | 26,082
Goodwill | 7,491 |  | 7,491 |  | 7,491
Total assets | 43,034 |  | 43,034 |  | 45,351
Capital Expenditures |  |  |  |  |
Capital expenditures |  |  | 976 | 6,689 |
U.S. Wireline | Operating segments | Wireline |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 6,686 | 5,555 | 13,357 | 10,283 |
U.S. Wireline | Operating segments | Equipment and other |  |  |  |  |
Revenue |  |  |  |  |
Revenue | $ 66 | $ 57 | $ 125 | $ 107 |

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