XML 54 R37.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Supplemental Cash Flow Statement Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Non-Cash Investing and Financing Activities |  |
Noncash preferred stock dividends |  | $ 113
Issuance of stock upon conversion of preferred stock |  | 240
Issuance of warrants with term loan extensions | $ 266 |

X
- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in non cash. + References No definition available. + Details
Name: | crex_DividendsPreferredStockNonCash
Namespace Prefix: | crex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Issuance of warrants with term loan extensions. + References No definition available. + Details
Name: | crex_IssuanceOfWarrantsWithTermLoanExtensions
Namespace Prefix: | crex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The value of the financial instrument issued [noncash or part noncash] in the conversion of stock. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 + Details
Name: | us-gaap_ConversionOfStockAmountIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration