v3.20.4

Summary of significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Summary of significant accounting policies |
Schedule of reallocation of goodwill | ​
​ | ​ | ​ | ​
​ | ​ | Goodwill
Carrier services | ​ | $ | 37,740
Military | ​ |  | 15,151
Multifamily | ​ |  | 3,062
Legacy | ​ | ​ | 1,829
Private networks and emerging technologies | ​ |  | 797
​ | ​ | $ | 58,579
Summary of changes to consolidated balance sheet and statement of operations from adoption of ASC 606 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | January 1, 2018 |  | Adjustment for |  | January 1, 2018
​ | ​ | (Per ASC 605) | ​ | Adoption | ​ | (Per ASC 606)
Accounts receivable, net | ​ | $ | 26,148 | ​ | $ | (1,069) | ​ | $ | 25,079
Prepaid expenses and other current assets | ​ | $ | 6,369 | ​ | $ | 170 | ​ | $ | 6,539
Other assets | ​ | $ | 10,082 | ​ | $ | (2,179) | ​ | $ | 7,903
Deferred revenue, current | ​ | $ | 61,708 | ​ | $ | 14,176 | ​ | $ | 75,884
Deferred revenue, net of current portion | ​ | $ | 149,168 | ​ | $ | (20,580) | ​ | $ | 128,588
Schedule of estimated useful lives for property and equipment | ​
​ | ​ | ​
Software |  | 2 to 5 years
Computer equipment | ​ | 3 to 5 years
Furniture, fixtures and office equipment | ​ | 3 to 5 years
Leasehold improvements | ​ | The shorter of the estimated useful life or the remaining term of the agreements, generally ranging from 2 to 25 years
Summary of the entity's segment information | Segment information under the new five reportable segment basis, with a reconciliation to the consolidated statements of operations, is summarized as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
Revenue: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Carrier services | ​ | $ | 107,746 | ​ | $ | 115,806 | ​ | $ | 117,953
Military | ​ | ​ | 76,753 | ​ | ​ | 74,911 | ​ | ​ | 67,342
Multifamily | ​ |  | 21,567 | ​ |  | 25,008 | ​ |  | 11,228
Legacy | ​ | ​ | 29,134 | ​ | ​ | 46,058 | ​ | ​ | 54,248
Private networks and emerging technologies | ​ |  | 2,216 | ​ |  | 2,007 | ​ |  | 50
Total revenue | ​ | $ | 237,416 | ​ | $ | 263,790 | ​ | $ | 250,821
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
Income (loss) from operations: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Carrier services | ​ | $ | 19,671 | ​ | $ | 30,043 | ​ | $ | 31,294
Military | ​ | ​ | 24,027 | ​ | ​ | 20,736 | ​ | ​ | 14,250
Multifamily | ​ |  | (6,690) | ​ |  | (7,225) | ​ |  | (3,030)
Legacy | ​ | ​ | 42 | ​ | ​ | 5,616 | ​ | ​ | 6,101
Private networks and emerging technologies | ​ |  | 1,266 | ​ |  | 1,963 | ​ |  | (26)
Unallocated overhead costs | ​ | ​ | (47,433) | ​ | ​ | (54,837) | ​ | ​ | (51,586)
Total 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)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
Depreciation and amortization of property and equipment and intangible assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Carrier services | ​ | $ | 47,381 | ​ | $ | 41,210 | ​ | $ | 50,933
Military | ​ | ​ | 17,309 | ​ | ​ | 15,998 | ​ | ​ | 15,139
Multifamily | ​ |  | 3,117 | ​ |  | 2,741 | ​ |  | 1,075
Legacy | ​ | ​ | 7,770 | ​ | ​ | 8,103 | ​ | ​ | 9,101
Private networks and emerging technologies | ​ |  | 10 | ​ |  | — | ​ |  | —
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
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
Capital expenditures: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Carrier services | ​ | $ | 86,404 | ​ | $ | 114,713 | ​ | $ | 83,764
Military | ​ | ​ | 9,934 | ​ | ​ | 7,339 | ​ | ​ | 7,852
Multifamily | ​ |  | 1,990 | ​ |  | 1,242 | ​ |  | 84
Legacy | ​ | ​ | 3,572 | ​ | ​ | 4,653 | ​ | ​ | 10,758
Private networks and emerging technologies | ​ |  | 206 | ​ |  | 318 | ​ |  | —
Unallocated capital expenditures | ​ | ​ | 4,156 | ​ | ​ | 5,431 | ​ | ​ | 6,272
Total capital expenditures | ​ | $ | 106,262 | ​ | $ | 133,696 | ​ | $ | 108,730
Assets allocated to each reportable and operating segment include property and equipment, net, goodwill, and intangible assets, net that are specifically identifiable for one of our reportable and operating segments. Our reportable and operating segments also represent reporting units for goodwill impairment testing purposes. Unallocated assets are those assets not directly related to a specific reportable and operating segment. Assets allocated to each reportable and operating segment, which a reconciliation to the consolidated balance sheet, are as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2020 |  | 2019
Assets: | ​ | ​ | ​ | ​ | ​ | ​
Carrier services | ​ | $ | 364,484 | ​ | $ | 325,500
Military | ​ | ​ | 66,968 | ​ | ​ | 73,981
Multifamily | ​ |  | 12,713 | ​ |  | 13,772
Legacy | ​ | ​ | 18,591 | ​ | ​ | 23,402
Private networks and emerging technologies | ​ |  | 1,024 | ​ |  | 1,304
Unallocated other corporate assets | ​ | ​ | 112,699 | ​ | ​ | 162,508
Total assets | ​ | $ | 576,479 | ​ | $ | 600,467
All significant long-lived tangible assets are held in the United States of America. We do not disclose sales by geographic area because it would be impracticable to do so.
Schedule of effect of adoption of ASU 2020-06 on balance sheet | Adoption of ASU 2020-06 using the modified retrospective method will require us to record a cumulative effect adjustment, net of tax, to accumulated deficit of $6,566 on January 1, 2021. In addition, adoption of the standard will result in the following changes to the consolidated balance sheet as of January 1, 2021: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | January 1, 2021 |  | Adjustment for |  | January 1, 2021
​ | ​ | (Unadjusted) | ​ | Adoption | ​ | (Adjusted)
Property and equipment, net | ​ | $ | 406,328 | ​ | $ | (6,076) | ​ | $ | 400,252
Long-term debt | ​ | $ | 171,695 | ​ | $ | 27,279 | ​ | $ | 198,974
Additional paid-in capital | ​ | $ | 241,868 | ​ | $ | (39,921) | ​ | $ | 201,947
​

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