Acquisition	12 Months Ended
Dec. 31, 2018
Business Combinations [Abstract]
Acquisition	3. Acquisition On August 5, 2015, we acquired substantially all of the assets, and assumed substantially all of the liabilities, in each case, other than certain specified assets and liabilities, of CrossView an eCommerce systems integrator and provider of a wide range of eCommerce services in the U.S. and Canada. Consideration paid by us included an initial cash payment of $30.7 million and 553,223 unregistered shares of our common stock. In addition, the purchase agreement provided for future earn-out payments (“CrossView Earn-out Payments”) payable in 2016, 2017 and 2018 based on the achievement of certain 2015, 2016 and 2017 financial targets. During the year ended December 31, 2017, we paid an aggregate of $2.4 million in settlement of the 2016 CrossView Earn-out Payments, of which $0.4 million was paid by the issuance of 48,173 restricted shares of our stock. During the year ended December 31, 2018, we paid an aggregate of $4.1 million in settlement of the 2017 CrossView Earn-out Payments, of which $0.8 million was paid by the issuance of 76,998 restricted shares of our stock. Fair value of performance-based contingent payments are based on the annual forecast for the acquired entity. As of December 31, 2017, we had recorded a liability $4.0 million applicable to the estimated CrossView Earn-out Payments, which is included in performance-based contingent payments in the consolidated balance sheet. As of December 31, 2018, we have no further liability for the CrossView Earn-out Payments. For the years ended December 31, 2018 and 2017, we recognized $0.1 million and $2.2 million of additional expense related to the change in estimated fair value of the performance-based contingent payments liability. For the year ended December 31, 2018, we paid $2.4 million of cash in excess of the original estimate for performance-based contingent payment liability at acquisition date for the Cross-View Earn-out Payment. This payment is shown under changes in trade accounts payable, deferred revenue, accrued expenses and other liabilities within operating activities of our consolidated statements of cash flows.

Acquisition

12 Months Ended

Dec. 31, 2018

3. Acquisition

On August 5, 2015, we acquired substantially all of the assets, and assumed substantially all of the liabilities, in each case, other than certain specified assets and liabilities, of CrossView an eCommerce systems integrator and provider of a wide range of eCommerce services in the U.S. and Canada. Consideration paid by us included an initial cash payment of $30.7 million and 553,223 unregistered shares of our common stock. In addition, the purchase agreement provided for future earn-out payments (“CrossView Earn-out Payments”) payable in 2016, 2017 and 2018 based on the achievement of certain 2015, 2016 and 2017 financial targets. During the year ended December 31, 2017, we paid an aggregate of $2.4 million in settlement of the 2016 CrossView Earn-out Payments, of which $0.4 million was paid by the issuance of 48,173 restricted shares of our stock. During the year ended December 31, 2018, we paid an aggregate of $4.1 million in settlement of the 2017 CrossView Earn-out Payments, of which $0.8 million was paid by the issuance of 76,998 restricted shares of our stock. Fair value of performance-based contingent payments are based on the annual forecast for the acquired entity. As of December 31, 2017, we had recorded a liability $4.0 million applicable to the estimated CrossView Earn-out Payments, which is included in performance-based contingent payments in the consolidated balance sheet. As of December 31, 2018, we have no further liability for the CrossView Earn-out Payments. For the years ended December 31, 2018 and 2017, we recognized $0.1 million and $2.2 million of additional expense related to the change in estimated fair value of the performance-based contingent payments liability. For the year ended December 31, 2018, we paid $2.4 million of cash in excess of the original estimate for performance-based contingent payment liability at acquisition date for the Cross-View Earn-out Payment. This payment is shown under changes in trade accounts payable, deferred revenue, accrued expenses and other liabilities within operating activities of our consolidated statements of cash flows.