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Discontinued Operations | 12 Months Ended
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Dec. 31, 2020
Discontinued Operations and Disposal Groups [Abstract] |
Discontinued Operations | Discontinued Operations During the second quarter of 2019, the Company sold its Videotel business. The Company determined that the sale met the requirements for reporting as discontinued operations in accordance with Accounting Standards Codification (ASC) 205-20. The following table presents a reconciliation of the major financial line items constituting the results for discontinued operations to the net income from discontinued operations, net of tax, presently separately in the Company's consolidated statements of operations:
| Year Ended
| December 31,
| 2020 |  | 2019
Sales: |  |  |
Service sales | $ | — |  |  | $ | 5,769 |
Costs, expenses and other expense, net: |  |  |
Costs of service sales | — |  |  | 1,807 |
Sales, marketing and support | — |  |  | 1,606 |
General and administrative | — |  |  | 1,619 |
Other expense, net | — |  |  | (23) |
Income from discontinued operations before tax expense | — |  |  | 714 |
Gain on sale of discontinued operations before tax expense | — |  |  | 53,711 |
Total income from discontinued operations before tax expense | $ | — |  |  | $ | 54,425 |
Income tax expense on discontinued operations | — |  |  | 5,161 |
Income from discontinued operations, net of taxes | $ | — |  |  | $ | 49,264 |
Net income from discontinued operations per common share |  |  |
Basic and diluted | $ | — |  |  | $ | 2.82 |
Weighted average number of common shares outstanding: |  |  |
Basic and diluted | 17,669 |  |  | 17,459 |
The following table presents supplemental cash flow information of the discontinued operations:
| Year Ended |  |
| December 31, |  |
| 2020 |  | 2019 |  |
Cash used in operating activities—discontinued operations | $ | — |  |  | $ | (2,638) |  |  |
Cash provided by investing activities—discontinued operations | $ | — |  |  | $ | 87,986 |  |  |

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- Definition The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2122178 + Details
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