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Condensed Consolidated Balance Sheets - USD ($) | Sep. 30, 2021 | Jun. 30, 2021 | May 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | ---
Liabilities and Deficit |  |  |  |  |
Total liabilities |  | $ 230,431,000 |  | $ 165,676,000 | $ 30,117,000
Stockholders’ Equity: |  |  |  |  |
Additional paid-in capital |  |  |  |  |
Accumulated deficit |  | (569,238,000) |  | (490,284,000) | (327,272,000)
Total stockholders’ equity |  | (569,332,000) |  | (490,378,000) | (327,355,000)
Total Liabilities and Stockholders’ Deficit |  | 44,534,000 |  | 44,902,000 | 39,294,000
Restricted cash |  |  |  | 5,000,000 |
Commitment fee asset |  |  |  | 610,000 | 3,795,000
Other current assets |  | 9,708,000 |  | 3,791,000 | 914,000
Current Assets: |  |  |  |  |
Cash |  | 7,739,000 |  | 8,669,000 | 14,481,000
Total current assets |  | 17,447,000 |  | 18,070,000 | 19,190,000
Network under construction |  | 16,853,000 |  | 16,828,000 | 16,464,000
Property and equipment, net |  | 6,014,000 |  | 5,706,000 | 45,000
Intangible assets |  | 4,067,000 |  | 4,144,000 | 3,467,000
Other assets |  | 153,000 |  | 154,000 | 128,000
Total Assets |  | 44,534,000 |  | 44,902,000 | 39,294,000
Accounts payable |  | 2,067,000 |  | 680,000 | 837,000
Deferred revenue |  |  |  |  | 14,000
Warrants |  | 145,673,000 |  | 101,325,000 | 3,531,000
Senior secured loan |  | 76,087,000 |  | 58,871,000 | 15,832,000
Other long-term liabilities |  | 1,206,000 |  | 1,239,000 | 1,174,000
Preferred Interests: |  |  |  |  |
Class C Convertible Preferred Units, authorized 13,400,000 units; 13,361,628 units issued and outstanding at June 30, 2021 and December 31, 2020; aggregate liquidation preference of $11,879,116 at both June 30, 2021 and December 31, 2020 |  | 11,879,000 |  | 11,879,000 | 11,360,000
Class D Convertible Preferred Units, authorized 94,550,000 units; 71,338,498 units issued and outstanding at June 30, 2021 and December 31, 2020; aggregate liquidation preference of $371,556,207 and $357,724,977 at June 30, 2021 and December 31, 2020, respectively |  | 371,556,000 |  | 357,725,000 | 325,172,000
Total preferred interests |  | 383,435,000 |  | 369,604,000 | 336,532,000
Class A Common Units, authorized 128,508,093 units; 10,753,375 units issued and outstanding at June 30, 2021 and December 31, 2020 |  | 2,000 |  | 2,000 | 1,000
Class B-1 Common Units, authorized 5,199,202 units; 5,162,816 units issued and outstanding at June 30, 2021 and December 31, 2020 |  |  |  |  |
Class B-2 Common Units, authorized 250,000 units; 250,000 units issued and outstanding at June 30, 2021 and December 31, 2020 |  |  |  |  |
Class B-3 Common Units, authorized 250,000 units; 250,000 units issued and outstanding at June 30, 2021 and December 31, 2020 |  |  |  |  |
Class B-4 Common Units, authorized 4,500,000 units; 4,483,971 issued and outstanding at June 30, 2021 and December 31, 2020 |  |  |  |  |
Accumulated other comprehensive loss |  | (96,000) |  | (96,000) | (84,000)
Current liabilities: |  |  |  |  |
Accounts payable and accrued expenses |  | 5,398,000 |  | 3,561,000 | 8,729,000
Total current liabilities |  | 7,465,000 |  | 4,241,000 | $ 9,580,000
Spartacus Acquisition Shelf Corp. |  |  |  |  |
Liabilities and Deficit |  |  |  |  |
Due to affiliate | $ 293,081 |  |  |  |
Total liabilities | 293,081 |  |  |  |
Commitments and Contingencies |  |  |  |  |
Stockholders’ Equity: |  |  |  |  |
Common stock, value |  |  |  |  |
Accumulated deficit | (293,081) |  | (2,792) |  |
Total stockholders’ equity | (293,081) | (208,498) | (2,792) |  |
Total Liabilities and Stockholders’ Deficit |  |  |  |  |
Current liabilities: |  |  |  |  |
Accrued expenses |  |  | $ 2,792 |  |
Spartacus Acquisition Corp |  |  |  |  |
Liabilities and Deficit |  |  |  |  |
Total liabilities |  | 33,983,562 |  | 30,109,170 |
Commitments and Contingencies |  |  |  |  |
Class A common stock subject to possible redemption |  | 164,580,398 |  | 169,092,032 |
Stockholders’ Equity: |  |  |  |  |
Preferred stock, value |  |  |  |  |
Class A common stock, $0.0001 par value; 200,000,000 shares authorized; 3,785,182 and 3,340,686 shares issued and outstanding (excluding shares subject to possible redemption) at June 30, 2021 and December 31, 2020, respectively |  | 379 |  | 334 |
Class B common stock, $0.0001 par value; 20,000,000 shares authorized; 5,000,000 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively |  | 500 |  | 500 |
Additional paid-in capital |  | 13,174,520 |  | 8,732,931 |
Accumulated deficit |  | (8,175,398) |  | (3,733,764) |
Total stockholders’ equity |  | 5,000,001 |  | 5,000,001 |
Total Liabilities and Stockholders’ Deficit |  | 203,563,961 |  | 204,201,203 |
Current Assets: |  |  |  |  |
Cash |  | 141,508 |  | 1,007,130 |
Prepaid expenses |  | 417,859 |  | 165,091 |
Due from Sponsor |  | 300 |  |  |
Total current assets |  | 559,667 |  | 1,172,221 |
Cash and securities held in Trust Account |  | 203,004,294 |  | 203,028,982 |
Total Assets |  | 203,563,961 |  | 204,201,203 |
Current liabilities: |  |  |  |  |
Accounts payable and accrued expenses |  | 1,858,170 |  | 96,670 |
Due to related party |  | 392 |  |  |
Total current liabilities |  | 1,858,562 |  | 96,670 |
Warrant liability |  | 24,825,000 |  | 23,012,500 |
Working capital loan |  | 300,000 |  |  |
Deferred underwriters’ discount |  | $ 7,000,000 |  | $ 7,000,000 |

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