Advances Receivable, net - Additional Information (Details)	12 Months Ended
Jun. 30, 2019 USD ($)
Percentage of Merchant Cash Advances Originated through Single Merchant Cash Advance Funder	97.00%
Merchant Cash Advances [Member]
Accounts And Other Receivables Principal Balance, Initial Advance	$ 5,000,000
Aviation Advance [Member]
Payments to Acquire Receivables	4,750,000
Proceeds from Collection of Notes Receivable	2,000,000
Accounts and Notes Receivable, Net	$ 2,750,000

The amount of Initial principal balance of accounts and other receivables.

No definition available.

Name:	ccur_AccountsAndOtherReceivablesPrincipalBalanceInitialAdvance
Namespace Prefix:	ccur_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the percent of merchant cash advances that were originated through a single MCA funder.

+ References

No definition available.

+ Details

Name:	ccur_PercentageOfMerchantCashAdvancesOriginatedThroughSingleMerchantCashAdvanceFunder
Namespace Prefix:	ccur_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date, net of allowance for doubtful accounts, of account and note receivables due from other than related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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_AccountsAndNotesReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow for the purchase of all receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireReceivables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromCollectionOfNotesReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ccur_MerchantCashAdvancesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ccur_AviationAdvanceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: