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CONSOLIDATED STATEMENT OF STOCKHOLDERS' DEFICIT - USD ($) shares in Thousands, $ in Thousands | Total | Additional Paid-In Capital | Accumulated Deficit | Accumulated Other Comprehensive Income (Loss) | Noncontrolling Interests | Class A Common Stock | Class A Common Stock Common Stock | Class B Common Stock | Class B Common Stock Common Stock
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2014 | $ (12,020) | $ 340,773 | $ (353,490) | $ 58 | $ 233 |  | $ 396 |  | $ 10
Beginning balance (in shares) at Dec. 31, 2014 |  |  |  |  |  |  | 39,587 |  | 988
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net loss | (11,781) |  | (12,969) |  | 1,188 |  |  |  |
Other comprehensive (loss) income | (51) |  |  | (51) |  |  |  |  |
Issuances of Class A common stock | 486 | 481 |  |  |  |  | $ 5 |  |
Issuances of Class A common stock (in shares) |  |  |  |  |  |  | 477 |  |
Stock-based compensation | 3,079 | 3,079 |  |  |  |  |  |  |
Distributions to noncontrolling interest holder | (1,495) |  |  |  | (1,495) |  |  |  |
Other | 185 | 185 |  |  | 0 |  |  |  |
Ending balance at Dec. 31, 2015 | (21,597) | 344,518 | (366,459) | 7 | (74) |  | $ 401 |  | $ 10
Ending balance (in shares) at Dec. 31, 2015 |  |  |  |  |  | 40,064 | 40,064 | 988 | 988
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net loss | (6,858) |  | (6,849) |  | (9) |  |  |  |
Other comprehensive (loss) income | (75) |  |  | (75) |  |  |  |  |
Issuances of Class A common stock | 528 | 523 |  |  |  |  | $ 5 |  |
Issuances of Class A common stock (in shares) |  |  |  |  |  |  | 508 |  |
Stock-based compensation | 3,393 | 3,393 |  |  |  |  |  |  |
Other | 59 |  |  |  | 59 |  |  |  |
Ending balance at Dec. 31, 2016 | (24,550) | 348,434 | (373,308) | (68) | (24) |  | $ 406 |  | $ 10
Ending balance (in shares) at Dec. 31, 2016 |  |  |  |  |  | 40,572 | 40,572 | 988 | 988
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net loss | (21,799) |  | (21,799) |  | 0 |  |  |  |
Other comprehensive (loss) income | 252 |  |  | 252 |  |  |  |  |
Issuances of Class A common stock | 1,779 | 1,772 |  |  |  |  | $ 7 |  |
Issuances of Class A common stock (in shares) |  |  |  |  |  |  | 726 |  |
Stock-based compensation | 6,432 | 6,432 |  |  |  |  |  |  |
Other | 24 |  |  |  | 24 |  |  |  |
Ending balance at Dec. 31, 2017 | $ (37,862) | $ 356,638 | $ (395,107) | $ 184 | $ 0 |  | $ 413 |  | $ 10
Ending balance (in shares) at Dec. 31, 2017 |  |  |  |  |  | 41,298 | 41,298 | 988 | 988

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