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AT&T Agreement (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2020 | Oct. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019
AT&T Agreement (Details) [Line Items] |  |  |  |
Cash consideration |  |  | $ 2 |
Equipment term |  |  | 7 years |
Termination term |  |  | 3 years |
Sale-leaseback financing method |  |  | $ 4,700 |
Minimum lease payments |  |  | $ 5,000 |
Exercise price (in Dollars per share) |  |  | $ 0.01 |
AT&T Warrants vested percentage |  |  | 60.00% | 60.00%
Interest rate percentage |  |  | 6.00% |
Class D Redeemable Preferred Stock [Member] |  |  |  |
AT&T Agreement (Details) [Line Items] |  |  |  |
Stock purchase (in Shares) |  | 21,221,299 |  |
Exercise price (in Dollars per share) |  | $ 2.89 |  |
Granted additional warrants to purchase stock (in Shares) |  | 1,910,158 |  |
Warrants expire term |  |  | 10 years |
Interest rate percentage |  |  | 66.60% |
Fair value |  |  | $ 5 | $ 11,000
Class A Common Stock [Member] |  |  |  |
AT&T Agreement (Details) [Line Items] |  |  |  |
Exercise price (in Dollars per share) | $ 0.01 |  |  |
Granted additional warrants to purchase stock (in Shares) | 468,678 |  |  |
Warrant issued (in Shares) |  | 6,947,447 |  |
Warrants expire term |  |  | 20 years |
Fair value |  |  | $ 774 |

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