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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pay vs Performance Disclosure |  |  |  |
Pay vs Performance Disclosure, Table | Pay Versus Performance Table The SEC has adopted rules (as required by the Dodd-Frank Act) requiring disclosure of the relationship between the executive compensation actually paid and the financial performance of the Company. The below table outlines, in addition to the amounts listed in the Company’s Summary Compensation Table, the total Compensation Actually Paid (CAP) for the principal executive officer (CEO), which is the Company’s Chief Executive Officer, and the average of the total compensation actually paid for the Non-CEO Named Executive Officers (NEOs), which are the Company’s Chief Financial Officer, Chief Operating Officer, SVP and General Counsel, and SVP—Corporate Development, for the year as indicated. Additionally, the table includes the Company-Selected Measure of Adjusted EBITDA, as defined and described in more detail below.
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Value of Initial Fixed $100 Investment Based On: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Company- Selected Measure: Adjusted EBITDA (in $000’s)(h) | ​
Year(a) | ​ | ​ | Summary Compensation Table Total for CEO(b) | ​ | ​ | Compensation Actually Paid to CEO(c) | ​ | ​ | Average Summary Compensation Table Total for Non-CEO NEOs(d) | ​ | ​ | Average Compensation Actually Paid to Non-CEO NEOs(c)(e) | ​ | ​ | Total Shareholder Return ($)(f) | ​ | ​ | Peer Group Total Shareholder Return ($)(g) | ​ | ​ | Net Income (Loss) (in $000’s) | ​
2023 | ​ | ​ | ​ | ​ | 3,581,890 | ​ | ​ | ​ | ​ | ​ | 2,736,645 | ​ | ​ | ​ | ​ | ​ | 1,319,997 | ​ | ​ | ​ | ​ | ​ | 956,198 | ​ | ​ | ​ | ​ | ​ | 75.35 | ​ | ​ | ​ | ​ | ​ | 64.83 | ​ | ​ | ​ | ​ | ​ | (18,754) | ​ | ​ | ​ | ​ | ​ | 189,451 | ​ | ​
2022 | ​ | ​ | ​ | ​ | 3,231,728 | ​ | ​ | ​ | ​ | ​ | 3,169,382 | ​ | ​ | ​ | ​ | ​ | 1,322,398 | ​ | ​ | ​ | ​ | ​ | 1,365,456 | ​ | ​ | ​ | ​ | ​ | 85.56 | ​ | ​ | ​ | ​ | ​ | 68.80 | ​ | ​ | ​ | ​ | ​ | (7,583) | ​ | ​ | ​ | ​ | ​ | 172,688 | ​ | ​
2021 | ​ | ​ | ​ | ​ | 3,379,850 | ​ | ​ | ​ | ​ | ​ | 2,516,463 | ​ | ​ | ​ | ​ | ​ | 1,097,723 | ​ | ​ | ​ | ​ | ​ | 855,318 | ​ | ​ | ​ | ​ | ​ | 74.18 | ​ | ​ | ​ | ​ | ​ | 112.20 | ​ | ​ | ​ | ​ | ​ | (20,809) | ​ | ​ | ​ | ​ | ​ | 135,628 | ​ | ​
2020 | ​ | ​ | ​ | ​ | 2,653,940 | ​ | ​ | ​ | ​ | ​ | 1,644,678 | ​ | ​ | ​ | ​ | ​ | 908,400 | ​ | ​ | ​ | ​ | ​ | 666,894 | ​ | ​ | ​ | ​ | ​ | 76.38 | ​ | ​ | ​ | ​ | ​ | 109.42 | ​ | ​ | ​ | ​ | ​ | (708) | ​ | ​ | ​ | ​ | ​ | 126,615 | ​ | ​
​ (a) Each year is from January 1—December 31 of the indicated year. ​ (b) The dollar amounts reported are the amounts of total compensation reported for our CEO through 2023, Mr. Prior, in the Summary Compensation Table (SCT) for fiscal years 2023, 2022, 2021, and 2020. ​ (c) The dollar amounts do not reflect the actual amounts of compensation paid to or received by our CEO or other NEOs during the applicable year, but rather are “Compensation Actually Paid” as such term is defined under applicable SEC rules. The amounts include the year-end value of equity awards granted during the reported year and the change in the value of equity awards, granted in previous years, that were unvested at the end of the prior year, measured through the date the awards vested or were forfeited, or through the end of the reported fiscal year. ​ (d) For 2023 and 2022, reflects compensation information for Messrs. Benincasa, Martin, and Leon, and Ms. Mabey. For 2021 and 2020, reflects compensation information for Messrs. Benincasa, Martin, and Kreisher, and Ms. Mabey. ​ (e) For 2023 and 2022, reflects compensation information for Messrs. Benincasa, Martin, and Leon, and Ms. Mabey. For 2021 and 2020, reflects compensation information for Messrs. Benincasa, Martin, Ms. Mabey and for William F. Kreisher, the Company’s former SVP, Corporate Development. Mr. Kreisher ceased serving as an executive officer on January 15, 2021. ​ (f) Calculated as cumulative total shareholder return as if $100 was invested in Company common stock on December 31, 2019 measured through the end of the applicable year. ​ (g) Calculated as cumulative total shareholder return as if $100 was invested in the Nasdaq Small Cap Telecommunications Services index on December 31, 2019 measured through the end of the applicable year. ​ (h) To more closely align with similar calculations presented by companies in its industry, beginning in 2023, the Company excluded non-cash stock-based compensation in its adjustment to derive Adjusted EBITDA. Prior periods have been restated to confirm to this definition change. ​
Year | ​ | ​ | Executive | ​ | ​ | Summary Compensation Table Total | ​ | ​ | Less: Stock Awards | ​ | ​ | Add: Year End Equity Value of awards granted during the reported year | ​ | ​ | Change (from last day of prior year to last day of reported year) in Value of Prior Equity Awards | ​ | ​ | Change (from last day of prior year to last day of reported year) in Value of Vested Equity Awards | ​ | ​ | Compensation Actually Paid | ​
2023 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 3,581,890 | ​ | ​ | ​ | ​ | ​ | (2,126,000) | ​ | ​ | ​ | ​ | ​ | 1,995,000 | ​ | ​ | ​ | ​ | ​ | (591,262) | ​ | ​ | ​ | ​ | ​ | (122,983) | ​ | ​ | ​ | ​ | ​ | 2,736,645 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 1,319,997 | ​ | ​ | ​ | ​ | ​ | (724,966) | ​ | ​ | ​ | ​ | ​ | 680,295 | ​ | ​ | ​ | ​ | ​ | (172,072) | ​ | ​ | ​ | ​ | ​ | (147,057) | ​ | ​ | ​ | ​ | ​ | 956,198 | ​ | ​
2022 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 3,231,728 | ​ | ​ | ​ | ​ | ​ | (1,852,208) | ​ | ​ | ​ | ​ | ​ | 2,254,395 | ​ | ​ | ​ | ​ | ​ | (338,571) | ​ | ​ | ​ | ​ | ​ | (125,963) | ​ | ​ | ​ | ​ | ​ | 3,169,382 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 1,322,398 | ​ | ​ | ​ | ​ | ​ | (755,563) | ​ | ​ | ​ | ​ | ​ | 919,625 | ​ | ​ | ​ | ​ | ​ | (93,459) | ​ | ​ | ​ | ​ | ​ | (27,545) | ​ | ​ | ​ | ​ | ​ | 1,365,456 | ​ | ​
2021 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 3,379,850 | ​ | ​ | ​ | ​ | ​ | (2,132,370) | ​ | ​ | ​ | ​ | ​ | 1,605,470 | ​ | ​ | ​ | ​ | ​ | (581,545) | ​ | ​ | ​ | ​ | ​ | 245,058 | ​ | ​ | ​ | ​ | ​ | 2,516,463 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 1,097,723 | ​ | ​ | ​ | ​ | ​ | (597,951) | ​ | ​ | ​ | ​ | ​ | 451,611 | ​ | ​ | ​ | ​ | ​ | (154,914) | ​ | ​ | ​ | ​ | ​ | 58,849 | ​ | ​ | ​ | ​ | ​ | 855,318 | ​ | ​
2020 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 2,653,940 | ​ | ​ | ​ | ​ | ​ | (1,405,555) | ​ | ​ | ​ | ​ | ​ | 1,137,960 | ​ | ​ | ​ | ​ | ​ | (677,183) | ​ | ​ | ​ | ​ | ​ | (64,484) | ​ | ​ | ​ | ​ | ​ | 1,644,678 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 908,400 | ​ | ​ | ​ | ​ | ​ | (403,908) | ​ | ​ | ​ | ​ | ​ | 326,354 | ​ | ​ | ​ | ​ | ​ | (155,763) | ​ | ​ | ​ | ​ | ​ | (8,189) | ​ | ​ | ​ | ​ | ​ | 666,894 | ​ | ​
​ (1) The dollar amounts shown are average amounts for all NEOs other than the CEO. ​ The Board currently considers Adjusted EBITDA to be the most important financial performance measure used to link CAP of the CEO and Non-CEO NEOs to Company performance. The Company had historically defined Adjusted EBITDA as operating income (loss) before depreciation and amortization expense, transaction-related charges, one-time impairment or special charges and the gain (loss) on disposition of assets. In order to more closely align with similar calculations presented by companies in its industry, beginning with its 2023 financial results, the Company has also excluded non-cash stock-based compensation in its adjustment to derive Adjusted EBITDA and, as such, has restated its adjusted EBITDA for 2022 and 2021. The Company regularly reports on this metric to investors in its quarterly earnings releases and believes that the inclusion of these non-GAAP financial measures (and the associated reconciliations to the nearest GAAP financial measures) helps investors gain a meaningful understanding of the Company’s core operating results and enhances the usefulness of comparing such performance with prior periods. Accordingly, the Board considers Adjusted EBITDA as the best measure to track both Company performance as well as align executive compensation to such performance. |  |  |
Company Selected Measure Name | Adjusted EBITDA |  |  |
Named Executive Officers, Footnote | (b) The dollar amounts reported are the amounts of total compensation reported for our CEO through 2023, Mr. Prior, in the Summary Compensation Table (SCT) for fiscal years 2023, 2022, 2021, and 2020. (d) For 2023 and 2022, reflects compensation information for Messrs. Benincasa, Martin, and Leon, and Ms. Mabey. For 2021 and 2020, reflects compensation information for Messrs. Benincasa, Martin, and Kreisher, and Ms. Mabey. (e) For 2023 and 2022, reflects compensation information for Messrs. Benincasa, Martin, and Leon, and Ms. Mabey. For 2021 and 2020, reflects compensation information for Messrs. Benincasa, Martin, Ms. Mabey and for William F. Kreisher, the Company’s former SVP, Corporate Development. Mr. Kreisher ceased serving as an executive officer on January 15, 2021. |  |  |
Peer Group Issuers, Footnote | (g) Calculated as cumulative total shareholder return as if $100 was invested in the Nasdaq Small Cap Telecommunications Services index on December 31, 2019 measured through the end of the applicable year. |  |  |
PEO Total Compensation Amount | $ 3,581,890 | $ 3,231,728 | $ 3,379,850 | $ 2,653,940
PEO Actually Paid Compensation Amount | $ 2,736,645 | 3,169,382 | 2,516,463 | 1,644,678
Adjustment To PEO Compensation, Footnote |
Year | ​ | ​ | Executive | ​ | ​ | Summary Compensation Table Total | ​ | ​ | Less: Stock Awards | ​ | ​ | Add: Year End Equity Value of awards granted during the reported year | ​ | ​ | Change (from last day of prior year to last day of reported year) in Value of Prior Equity Awards | ​ | ​ | Change (from last day of prior year to last day of reported year) in Value of Vested Equity Awards | ​ | ​ | Compensation Actually Paid | ​
2023 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 3,581,890 | ​ | ​ | ​ | ​ | ​ | (2,126,000) | ​ | ​ | ​ | ​ | ​ | 1,995,000 | ​ | ​ | ​ | ​ | ​ | (591,262) | ​ | ​ | ​ | ​ | ​ | (122,983) | ​ | ​ | ​ | ​ | ​ | 2,736,645 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 1,319,997 | ​ | ​ | ​ | ​ | ​ | (724,966) | ​ | ​ | ​ | ​ | ​ | 680,295 | ​ | ​ | ​ | ​ | ​ | (172,072) | ​ | ​ | ​ | ​ | ​ | (147,057) | ​ | ​ | ​ | ​ | ​ | 956,198 | ​ | ​
2022 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 3,231,728 | ​ | ​ | ​ | ​ | ​ | (1,852,208) | ​ | ​ | ​ | ​ | ​ | 2,254,395 | ​ | ​ | ​ | ​ | ​ | (338,571) | ​ | ​ | ​ | ​ | ​ | (125,963) | ​ | ​ | ​ | ​ | ​ | 3,169,382 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 1,322,398 | ​ | ​ | ​ | ​ | ​ | (755,563) | ​ | ​ | ​ | ​ | ​ | 919,625 | ​ | ​ | ​ | ​ | ​ | (93,459) | ​ | ​ | ​ | ​ | ​ | (27,545) | ​ | ​ | ​ | ​ | ​ | 1,365,456 | ​ | ​
2021 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 3,379,850 | ​ | ​ | ​ | ​ | ​ | (2,132,370) | ​ | ​ | ​ | ​ | ​ | 1,605,470 | ​ | ​ | ​ | ​ | ​ | (581,545) | ​ | ​ | ​ | ​ | ​ | 245,058 | ​ | ​ | ​ | ​ | ​ | 2,516,463 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 1,097,723 | ​ | ​ | ​ | ​ | ​ | (597,951) | ​ | ​ | ​ | ​ | ​ | 451,611 | ​ | ​ | ​ | ​ | ​ | (154,914) | ​ | ​ | ​ | ​ | ​ | 58,849 | ​ | ​ | ​ | ​ | ​ | 855,318 | ​ | ​
2020 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 2,653,940 | ​ | ​ | ​ | ​ | ​ | (1,405,555) | ​ | ​ | ​ | ​ | ​ | 1,137,960 | ​ | ​ | ​ | ​ | ​ | (677,183) | ​ | ​ | ​ | ​ | ​ | (64,484) | ​ | ​ | ​ | ​ | ​ | 1,644,678 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 908,400 | ​ | ​ | ​ | ​ | ​ | (403,908) | ​ | ​ | ​ | ​ | ​ | 326,354 | ​ | ​ | ​ | ​ | ​ | (155,763) | ​ | ​ | ​ | ​ | ​ | (8,189) | ​ | ​ | ​ | ​ | ​ | 666,894 | ​ | ​
Non-PEO NEO Average Total Compensation Amount | $ 1,319,997 | 1,322,398 | 1,097,723 | 908,400
Non-PEO NEO Average Compensation Actually Paid Amount | $ 956,198 | 1,365,456 | 855,318 | 666,894
Adjustment to Non-PEO NEO Compensation Footnote |
Year | ​ | ​ | Executive | ​ | ​ | Summary Compensation Table Total | ​ | ​ | Less: Stock Awards | ​ | ​ | Add: Year End Equity Value of awards granted during the reported year | ​ | ​ | Change (from last day of prior year to last day of reported year) in Value of Prior Equity Awards | ​ | ​ | Change (from last day of prior year to last day of reported year) in Value of Vested Equity Awards | ​ | ​ | Compensation Actually Paid | ​
2023 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 3,581,890 | ​ | ​ | ​ | ​ | ​ | (2,126,000) | ​ | ​ | ​ | ​ | ​ | 1,995,000 | ​ | ​ | ​ | ​ | ​ | (591,262) | ​ | ​ | ​ | ​ | ​ | (122,983) | ​ | ​ | ​ | ​ | ​ | 2,736,645 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 1,319,997 | ​ | ​ | ​ | ​ | ​ | (724,966) | ​ | ​ | ​ | ​ | ​ | 680,295 | ​ | ​ | ​ | ​ | ​ | (172,072) | ​ | ​ | ​ | ​ | ​ | (147,057) | ​ | ​ | ​ | ​ | ​ | 956,198 | ​ | ​
2022 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 3,231,728 | ​ | ​ | ​ | ​ | ​ | (1,852,208) | ​ | ​ | ​ | ​ | ​ | 2,254,395 | ​ | ​ | ​ | ​ | ​ | (338,571) | ​ | ​ | ​ | ​ | ​ | (125,963) | ​ | ​ | ​ | ​ | ​ | 3,169,382 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 1,322,398 | ​ | ​ | ​ | ​ | ​ | (755,563) | ​ | ​ | ​ | ​ | ​ | 919,625 | ​ | ​ | ​ | ​ | ​ | (93,459) | ​ | ​ | ​ | ​ | ​ | (27,545) | ​ | ​ | ​ | ​ | ​ | 1,365,456 | ​ | ​
2021 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 3,379,850 | ​ | ​ | ​ | ​ | ​ | (2,132,370) | ​ | ​ | ​ | ​ | ​ | 1,605,470 | ​ | ​ | ​ | ​ | ​ | (581,545) | ​ | ​ | ​ | ​ | ​ | 245,058 | ​ | ​ | ​ | ​ | ​ | 2,516,463 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 1,097,723 | ​ | ​ | ​ | ​ | ​ | (597,951) | ​ | ​ | ​ | ​ | ​ | 451,611 | ​ | ​ | ​ | ​ | ​ | (154,914) | ​ | ​ | ​ | ​ | ​ | 58,849 | ​ | ​ | ​ | ​ | ​ | 855,318 | ​ | ​
2020 | ​ | ​ | CEO | ​ | ​ | ​ | ​ | 2,653,940 | ​ | ​ | ​ | ​ | ​ | (1,405,555) | ​ | ​ | ​ | ​ | ​ | 1,137,960 | ​ | ​ | ​ | ​ | ​ | (677,183) | ​ | ​ | ​ | ​ | ​ | (64,484) | ​ | ​ | ​ | ​ | ​ | 1,644,678 | ​ | ​
​ | Other NEOs(1) | ​ | ​ | ​ | ​ | 908,400 | ​ | ​ | ​ | ​ | ​ | (403,908) | ​ | ​ | ​ | ​ | ​ | 326,354 | ​ | ​ | ​ | ​ | ​ | (155,763) | ​ | ​ | ​ | ​ | ​ | (8,189) | ​ | ​ | ​ | ​ | ​ | 666,894 | ​ | ​
(1) The dollar amounts shown are average amounts for all NEOs other than the CEO. |  |  |
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |
Compensation Actually Paid vs. Company Selected Measure |  |  |  |
Total Shareholder Return Vs Peer Group |  |  |  |
Tabular List, Table | Tabular List of Important Financial Performance Measures In addition to Adjusted EBITDA, the various metrics and other factors that the Compensation Committee considers in making executive compensation awards on an annual basis are described yearly in greater detail in “Executive Compensation—Compensation Discussion and Analysis.” The items listed below represent the most important measures the Company is currently using to link executive compensation actually paid to the Company’s actual performance, particularly cash bonus payment awards: Adjusted EBITDA Revenue High speed data subscribers International mobile subscribers |  |  |
Total Shareholder Return Amount | $ 75.35 | 85.56 | 74.18 | 76.38
Peer Group Total Shareholder Return Amount | 64.83 | 68.8 | 112.2 | 109.42
Net Income (Loss) | $ (18,754,000) | $ (7,583,000) | $ (20,809,000) | $ (708,000)
Company Selected Measure Amount | 189,451,000 | 172,688,000 | 135,628,000 | 126,615,000
PEO Name | Mr. Prior |  |  |
Measure:: 1 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Adjusted EBITDA |  |  |
Non-GAAP Measure Description | (h) To more closely align with similar calculations presented by companies in its industry, beginning in 2023, the Company excluded non-cash stock-based compensation in its adjustment to derive Adjusted EBITDA. Prior periods have been restated to confirm to this definition change. ​ |  |  |
Measure:: 2 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Revenue |  |  |
Measure:: 3 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | High speed data subscribers |  |  |
Measure:: 4 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | International mobile subscribers |  |  |
PEO | Stock Awards |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ (2,126,000) | $ (1,852,208) | $ (2,132,370) | $ (1,405,555)
PEO | Year End Equity Value of awards granted during the reported year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 1,995,000 | 2,254,395 | 1,605,470 | 1,137,960
PEO | Change (from last day of prior year to last day of reported year) in Value of Prior Equity Awards |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (591,262) | (338,571) | (581,545) | (677,183)
PEO | Change (from last day of prior year to last day of reported year) in Value of Vested Equity Awards |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (122,983) | (125,963) | 245,058 | (64,484)
Non-PEO NEO | Stock Awards |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (724,966) | (755,563) | (597,951) | (403,908)
Non-PEO NEO | Year End Equity Value of awards granted during the reported year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 680,295 | 919,625 | 451,611 | 326,354
Non-PEO NEO | Change (from last day of prior year to last day of reported year) in Value of Prior Equity Awards |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (172,072) | (93,459) | (154,914) | (8,189)
Non-PEO NEO | Change (from last day of prior year to last day of reported year) in Value of Vested Equity Awards |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ (147,057) | $ (27,545) | $ 58,849 | $ (155,763)

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