XML 45 R29.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Accounting Policies [Abstract] |
Estimated Useful Lives of Property and Equipment | The estimated useful lives of property and equipment are as follows:
Computer and network equipment |  |  | 5-7 years |
Furniture, fixtures and office equipment |  |  | 3-5 years |
Leasehold improvements |  |  | 4-7 years |

X
- Definition Estimated Useful Lives Of Property And Equipment [Table Text Block] + References No definition available. + Details
Name: | cogt_EstimatedUsefulLivesOfPropertyAndEquipmentTableTextBlock
Namespace Prefix: | cogt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration