Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

The following table summarizes revenue disaggregation by product for the years ended December 31, 2019, 2018 and 2017 (in thousands):



	2019		2018		2017 (1) (2)

Marketplaces	$	95,757	$	96,321	$	93,020
Digital Marketing	19,683		18,919		18,076
Other	14,519		15,978		11,439
	$	129,959	$	131,218	$	122,535

(1) As noted above, prior periods have not been adjusted for the adoption of ASC 606 and are presented in accordance with historical accounting guidance in effect for those periods.

(2) Certain prior period amounts have been reclassified to conform to current period presentation. These reclassifications had no impact on the reported total revenue for the period.

Deferred Revenue

The following table summarizes deferred revenue activity for the year ended December 31, 2019 (in thousands):



	Balance, beginning of period		Net additions	Revenue recognized from deferred revenue		Balance, end of period
Deferred revenue	$	24,708	100,271	(103,520	)	$	21,459

Deferred Contract Costs

The following table summarizes deferred contract cost activity for the year ended December 31, 2019 (in thousands):



	Balance, beginning of period		Additions	Amortized costs (1)		Balance, end of period
Deferred contract costs	$	15,209	7,858	(4,653	)	$	18,414

(1) Includes contract costs amortized to sales and marketing expense during the period and the impact from foreign currency exchange rate fluctuations.

Financial Statement Impact

The following table summarizes the financial statement line items impacted by the Company's adoption of ASC 842 at January 1, 2019 (in thousands):



Balance Sheet - select financial statement line items	Ending balance			Effect of the adoption of				Beginning balance
	December 31, 2018			ASC 842				January 1, 2019
Operating lease right of use assets	$	—		$	15,099			$	15,099
Other assets	1,515			(504		)	(1)	1,011
Total assets	134,269			14,595				148,864
Other current liabilities	3,569			3,116			(2)	6,685
Total current liabilities	38,730			3,116				41,846
Long-term operating leases, net of current portion	—			14,310				14,310
Lease incentive obligation	2,154			(2,154		)		—
Other long-term liabilities	2,343			(657		)	(3)	1,686
Total liabilities	44,631			14,615				59,246
Accumulated other comprehensive loss	(1,707		)	(12		)		(1,719		)
Total stockholders' equity	89,638			(12		)		89,626
Total liabilities and stockholders' equity	$	134,269		$	14,595		(4)	$	148,864

(1) Derecognition of lease inception fees associated with certain leases previously amortized over the respective lives of those leases.

(2) Net effect of derecognizing the Company's current deferred rent and lease incentive obligations as of December 31, 2018 and recognizing current operating lease liabilities.

(3) Derecognition of the Company's long-term deferred rent as of December 31, 2018.

(4) The resulting incremental expense due to the Company's adoption of ASC 842 was not considered significant and is recorded as rent expense in General and administrative expense in the accompanying consolidated statement of operations for the year ended December 31, 2019.