v3.8.0.1

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Common stock, par value, in dollars per share |  | $ 0.001 | $ 0.001
Common stock, shares authorized |  | 300,000,000 | 300,000,000
Common stock, shares issued |  | 29,999,000 | 28,984,000
Common stock, shares outstanding |  | 29,999,000 | 28,984,000
Preferred stock, par value, in dollars per share |  | $ 0.001 | $ 0.001
Preferred stock, shares authorized |  | 5,000,000 | 5,000,000
Allowance for doubtful accounts receivable |  | $ 130 | $ 163
Accounts receivable |  | 221 | 150
Unbilled accounts receivable | [1] | 5,462 | 5,541
Accounts payable |  | 0 | 107
Accrued expenses and other current liabilities | [2] | 20,592 | 12,798
Deferred revenue | [3] | $ 19,589 | $ 15,971
Series A Redeemable Convertible Preferred Stock |  |  |
Redeemable convertible preferred stock, shares authorized |  | 46,350 | 46,350
Redeemable convertible preferred stock, shares issued |  | 46,350 | 46,350
Redeemable convertible preferred stock, shares outstanding |  | 46,350 | 46,350
Affiliated Entity |  |  |
Accounts receivable |  | $ 200 | $ 100
Unbilled accounts receivable |  | 89 | 286
Accrued expenses and other current liabilities |  | 1,571 | 1,055
Deferred revenue |  | $ 35 | $ 151
[1] | (2) Includes unbilled accounts receivable due from related party of $89 and $286 at September 30, 2017 and December 31, 2016, respectively (Note 13)
[2] | (4) Includes accrued expenses and other current liabilities due to related party of $1,571 and $1,055 at September 30, 2017 and December 31, 2016, respectively (Note 13)
[3] | (5) Includes deferred revenue associated with related party of $35 and $151 at September 30, 2017 and December 31, 2016, respectively (Note 13)

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