v3.20.4
Summary of significant accounting policies - Segment and geographic information (Details)
$ in Thousands
 2 Months Ended 12 Months Ended 34 Months Ended
Dec. 31, 2020
USD ($)
segment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Oct. 30, 2020
segment
Revenue:          
Revenue   $ 237,416 $ 263,790 $ 250,821  
Income (loss) from operations:          
Unallocated overhead costs   (47,433) (54,837) (51,586)  
Loss from operations   (9,117) (3,704) (2,997)  
Interest expense and amortization of debt discount   (9,004) (8,618) (2,400)  
Interest income and other expense, net   538 2,017 513  
Loss before income taxes   (17,583) (10,305) (4,884)  
Depreciation and amortization of property and equipment and intangible assets:          
Unallocated overhead costs   7,014 7,381 6,299  
Total depreciation and amortization of property and equipment and intangibles assets   82,601 75,433 82,547  
Capital Expenditures:          
Unallocated capital expenditures   4,156 5,431 6,272  
Total capital expenditures   106,262 133,696 108,730  
Assets          
Assets $ 576,479 576,479 600,467    
Number of reportable segments | segment 5       1
Unallocated other corporate assets          
Assets          
Assets $ 112,699 112,699 162,508    
Carrier Services          
Revenue:          
Revenue   107,746 115,806 117,953  
Income (loss) from operations:          
Loss from operations   19,671 30,043 31,294  
Depreciation and amortization of property and equipment and intangible assets:          
Total depreciation and amortization of property and equipment and intangibles assets   47,381 41,210 50,933  
Capital Expenditures:          
Total capital expenditures   86,404 114,713 83,764  
Assets          
Assets 364,484 364,484 325,500    
Military          
Revenue:          
Revenue   76,753 74,911 67,342  
Income (loss) from operations:          
Loss from operations   24,027 20,736 14,250  
Depreciation and amortization of property and equipment and intangible assets:          
Total depreciation and amortization of property and equipment and intangibles assets   17,309 15,998 15,139  
Capital Expenditures:          
Total capital expenditures   9,934 7,339 7,852  
Assets          
Assets 66,968 66,968 73,981    
Mulitifamily          
Revenue:          
Revenue   21,567 25,008 11,228  
Income (loss) from operations:          
Loss from operations   (6,690) (7,225) (3,030)  
Depreciation and amortization of property and equipment and intangible assets:          
Total depreciation and amortization of property and equipment and intangibles assets   3,117 2,741 1,075  
Capital Expenditures:          
Total capital expenditures   1,990 1,242 84  
Assets          
Assets 12,713 12,713 13,772    
Legacy          
Revenue:          
Revenue   29,134 46,058 54,248  
Income (loss) from operations:          
Loss from operations   42 5,616 6,101  
Depreciation and amortization of property and equipment and intangible assets:          
Total depreciation and amortization of property and equipment and intangibles assets   7,770 8,103 9,101  
Capital Expenditures:          
Total capital expenditures   3,572 4,653 10,758  
Assets          
Assets 18,591 18,591 23,402    
Private networks and emerging technologies          
Revenue:          
Revenue   2,216 2,007 50  
Income (loss) from operations:          
Loss from operations   1,266 1,963 $ (26)  
Depreciation and amortization of property and equipment and intangible assets:          
Total depreciation and amortization of property and equipment and intangibles assets   10      
Capital Expenditures:          
Total capital expenditures   206 318    
Assets          
Assets $ 1,024 $ 1,024 $ 1,304