XML 49 R33.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Accounts receivable, net (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Receivables [Abstract] |
Accounts Receivable, Net | Accounts receivable, net consist of the following:
(In thousands) |  | December 31, 2017 |  |  | December 31, 2016 |
Accounts receivable |  | $ | 39,780 |  |  | $ | 31,748 |
Less: Allowance for doubtful accounts |  |  | (1,852 | ) |  |  | (790 | )
Total accounts receivable, net |  | $ | 37,928 |  |  | $ | 30,958 |
Schedule of Allowance for Doubtful Accounts | The movement of allowance for doubtful accounts is shown below:
|  | Year Ended December 31, |
(In thousands) |  | 2017 |  |  | 2016 |  |  | 2015 |
Beginning balance |  |  | 790 |  |  |  | 318 |  |  |  | 105 |
Charges to expenses |  |  | 2,020 |  |  |  | 772 |  |  |  | 213 |
Write-offs |  |  | (958 | ) |  |  | (300 | ) |  |  | - |
Ending balance |  | $ | 1,852 |  |  | $ | 790 |  |  | $ | 318 |

X
- Definition Schedule of allowance for doubtful accounts. + References No definition available. + Details
Name: | cogt_ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock
Namespace Prefix: | cogt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration