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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, 2015 | $ (21,597) | $ 344,518 | $ (366,459) | $ 7 | $ (74) |  | $ 401 |  | $ 10
Beginning balance (in shares) at Dec. 31, 2015 |  |  |  |  |  |  | 40,064 |  | 988
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (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 |  |  |  |  |  |  |
Contributions from noncontrolling interest holder | 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 income (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
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | 6,420 |  | 6,420 |  | 0 |  |  |  |
Other comprehensive (loss) income | (1,474) |  |  | (1,474) |  |  |  |  |
Issuances of Class A common stock | 1,017 | 1,012 |  |  |  |  | $ 5 |  |
Issuances of Class A common stock (in shares) |  |  |  |  |  |  | 496 |  |
Stock-based compensation | 8,445 | 8,445 |  |  |  |  |  |  |
Issuance of Class A common stock - acquisition | 7,622 | 7,621 |  |  |  |  | $ 1 |  |
Issuance of Class A common stock - acquisition (in shares) |  |  |  |  |  |  | 150 |  |
Ending balance at Dec. 31, 2018 | $ (15,832) | $ 373,716 | $ (388,669) | $ (1,308) | $ 0 |  | $ 419 |  | $ 10
Ending balance (in shares) at Dec. 31, 2018 |  |  |  |  |  | 41,944 | 41,944 | 988 | 988

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