v3.26.1
SEGMENT REPORTING (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
segment
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Segment reporting        
Number of reportable segments | segment 2      
Number of operating segments | segment 2      
Revenue        
Total Revenue $ 182,219 $ 179,294    
Operating Expenses        
Selling, general and administrative 56,176 55,228    
Stock-based compensation 1,935 1,905    
Transaction-related charges 833 1,436    
Restructuring and reorganization expenses 1,725 1,830 $ 10,200  
Depreciation and amortization 31,156 34,527    
Amortization of intangibles from acquisitions 496 1,226    
Loss on disposition of assets, transfers and contingent consideration 782 750    
Total Operating Expenses 170,529 176,627    
Income from operations 11,690 2,667    
Other expense        
Interest income 132 272    
Interest expense (10,478) (11,950)    
Other expense (3,232) (2,568)    
Other expense (13,578) (14,246)    
LOSS BEFORE INCOME TAXES (1,888) (11,579)    
Net (income) loss attributable to non-controlling interests 677 2,459    
Segment Assets        
Cash, cash equivalents, and restricted cash 123,490 97,259 117,154 $ 89,244
Total current assets 335,125   327,876  
Fixed assets, net 954,823   991,767  
Goodwill 4,835   4,835  
Total assets 1,674,653   1,673,254  
Total current liabilities 276,895   263,099  
Total debt, including current portion 570,160   565,167  
Capital Expenditures        
Capital Expenditures 34,545 43,277    
Government capital programs - Amounts disbursed 13,528 22,445    
Communication services and other        
Revenue        
Total Revenue 178,458 174,031    
Operating Expenses        
Cost of services 77,426 78,224    
Total Mobility        
Revenue        
Total Revenue 26,359 26,080    
Mobility - Business        
Revenue        
Total Revenue 5,176 4,888    
Mobility - Consumer        
Revenue        
Total Revenue 21,183 21,192    
Total Fixed        
Revenue        
Total Revenue 112,668 113,024    
Fixed - Business        
Revenue        
Total Revenue 48,674 47,737    
Fixed - Consumer        
Revenue        
Total Revenue 63,994 65,287    
Carrier Services        
Revenue        
Total Revenue 36,086 33,131    
Other        
Revenue        
Total Revenue 3,345 1,796    
Construction        
Revenue        
Total Revenue   1,046    
Operating Expenses        
Cost of services   1,501    
Total Other Revenue        
Revenue        
Total Revenue 3,761 4,217    
Managed Services        
Revenue        
Total Revenue 3,761 4,217    
Operating segments | International Telecom        
Revenue        
Total Revenue 96,058 94,496    
Operating Expenses        
Selling, general and administrative 28,141 27,143    
Stock-based compensation 127 215    
Restructuring and reorganization expenses 745 1,506    
Depreciation and amortization 13,574 15,377    
Amortization of intangibles from acquisitions 241 251    
Loss on disposition of assets, transfers and contingent consideration 378 291    
Total Operating Expenses 76,835 79,746    
Income from operations 19,223 14,750    
Other expense        
Net (income) loss attributable to non-controlling interests (2,606) (1,474)    
Segment Assets        
Cash, cash equivalents, and restricted cash 90,904   79,165  
Total current assets 179,405   165,341  
Fixed assets, net 444,678   451,303  
Goodwill 4,835   4,835  
Total assets 707,281   701,579  
Total current liabilities 109,039   97,305  
Total debt, including current portion 61,943   59,952  
Capital Expenditures        
Capital Expenditures 8,261 10,803    
Operating segments | International Telecom | Communication services and other        
Revenue        
Total Revenue 94,337 93,050    
Operating Expenses        
Cost of services 33,629 34,963    
Operating segments | International Telecom | Total Mobility        
Revenue        
Total Revenue 26,359 26,041    
Operating segments | International Telecom | Mobility - Business        
Revenue        
Total Revenue 5,176 4,849    
Operating segments | International Telecom | Mobility - Consumer        
Revenue        
Total Revenue 21,183 21,192    
Operating segments | International Telecom | Total Fixed        
Revenue        
Total Revenue 60,587 61,365    
Operating segments | International Telecom | Fixed - Business        
Revenue        
Total Revenue 18,747 18,493    
Operating segments | International Telecom | Fixed - Consumer        
Revenue        
Total Revenue 41,840 42,872    
Operating segments | International Telecom | Carrier Services        
Revenue        
Total Revenue 4,197 3,904    
Operating segments | International Telecom | Other        
Revenue        
Total Revenue 3,194 1,740    
Operating segments | International Telecom | Total Other Revenue        
Revenue        
Total Revenue 1,721 1,446    
Operating segments | International Telecom | Managed Services        
Revenue        
Total Revenue 1,721 1,446    
Operating segments | US Telecom        
Revenue        
Total Revenue 86,161 84,798    
Operating Expenses        
Selling, general and administrative 22,872 22,521    
Stock-based compensation 28 78    
Transaction-related charges 17      
Restructuring and reorganization expenses 191 134    
Depreciation and amortization 16,858 18,284    
Amortization of intangibles from acquisitions 255 975    
Loss on disposition of assets, transfers and contingent consideration 404 459    
Total Operating Expenses 84,422 87,213    
Income from operations 1,739 (2,415)    
Other expense        
Net (income) loss attributable to non-controlling interests 3,283 3,933    
Segment Assets        
Cash, cash equivalents, and restricted cash 32,110   35,915  
Total current assets 136,978   141,592  
Fixed assets, net 503,235   533,443  
Total assets 878,236   881,968  
Total current liabilities 120,212   120,637  
Total debt, including current portion 335,621   329,034  
Capital Expenditures        
Capital Expenditures 26,284 32,472    
Operating segments | US Telecom | Communication services and other        
Revenue        
Total Revenue 84,121 80,981    
Operating Expenses        
Cost of services 43,797 43,261    
Operating segments | US Telecom | Total Mobility        
Revenue        
Total Revenue   39    
Operating segments | US Telecom | Mobility - Business        
Revenue        
Total Revenue   39    
Operating segments | US Telecom | Total Fixed        
Revenue        
Total Revenue 52,081 51,659    
Operating segments | US Telecom | Fixed - Business        
Revenue        
Total Revenue 29,927 29,244    
Operating segments | US Telecom | Fixed - Consumer        
Revenue        
Total Revenue 22,154 22,415    
Operating segments | US Telecom | Carrier Services        
Revenue        
Total Revenue 31,889 29,227    
Operating segments | US Telecom | Other        
Revenue        
Total Revenue 151 56    
Operating segments | US Telecom | Construction        
Revenue        
Total Revenue   1,046    
Operating Expenses        
Cost of services   1,501    
Operating segments | US Telecom | Total Other Revenue        
Revenue        
Total Revenue 2,040 2,771    
Operating segments | US Telecom | Managed Services        
Revenue        
Total Revenue 2,040 2,771    
Corporate and Other        
Operating Expenses        
Selling, general and administrative 5,163 5,564    
Stock-based compensation 1,780 1,612    
Transaction-related charges 816 1,436    
Restructuring and reorganization expenses 789 190    
Depreciation and amortization 724 866    
Total Operating Expenses 9,272 9,668    
Income from operations (9,272) (9,668)    
Segment Assets        
Cash, cash equivalents, and restricted cash 476   2,074  
Total current assets 18,742   20,943  
Fixed assets, net 6,910   7,021  
Total assets 89,136   89,707  
Total current liabilities 47,644   45,157  
Total debt, including current portion $ 172,596   $ 176,181  
Capital Expenditures        
Capital Expenditures   $ 2