Basis of Presentation	6 Months Ended
Jun. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited condensed consolidated financial statements include the accounts of CTI, and its subsidiaries. All intercompany accounts and transactions have been eliminated in the condensed consolidated financial statements, which have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") for interim financial information. Accordingly, these condensed consolidated financial statements do not include all of the information and notes required by GAAP. We have included all normal recurring adjustments considered necessary to give a fair presentation of our financial position, results of comprehensive income (loss) and cash flows for the interim periods shown. Operating results for these interim periods are not necessarily indicative of the results to be expected for the full year. The December 31, 2015 consolidated balance sheet data was derived from our audited financial statements at that date. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements contained within Amendment No. 3 to the Registration Statement on Form S-1 (File No. 333-210508) filed with the Securities and Exchange Commission (the "SEC") on July 14, 2016 and declared effective on July 15, 2016 (the "Registration Statement"). Use of Estimates Preparing these condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. Reclassifications We made certain reclassifications to our condensed consolidated financial statements which include reclassifying certain sales taxes, in the amounts of $520 thousand and $466 thousand for the three- and six-month periods ended June 30, 2015, respectively, from cost of revenue to sales and marketing to comply with our current policy for presenting such costs.

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements include the accounts of CTI, and its subsidiaries. All intercompany accounts and transactions have been eliminated in the condensed consolidated financial statements, which have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") for interim financial information. Accordingly, these condensed consolidated financial statements do not include all of the information and notes required by GAAP. We have included all normal recurring adjustments considered necessary to give a fair presentation of our financial position, results of comprehensive income (loss) and cash flows for the interim periods shown. Operating results for these interim periods are not necessarily indicative of the results to be expected for the full year. The December 31, 2015 consolidated balance sheet data was derived from our audited financial statements at that date. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements contained within Amendment No. 3 to the Registration Statement on Form S-1 (File No. 333-210508) filed with the Securities and Exchange Commission (the "SEC") on July 14, 2016 and declared effective on July 15, 2016 (the "Registration Statement").

Use of Estimates

Preparing these condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.

Reclassifications

We made certain reclassifications to our condensed consolidated financial statements which include reclassifying certain sales taxes, in the amounts of $520 thousand and $466 thousand for the three- and six-month periods ended June 30, 2015, respectively, from cost of revenue to sales and marketing to comply with our current policy for presenting such costs.