Name:	hcci_Definedcontributionlowerlimitannualcontributionsperemployeepercent
Namespace Prefix:	hcci_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The percentage of base pay an employee contributes toward a defined benefit plan.

No definition available.

Name:	hcci_Definedcontributionplanemployeecontribution
Namespace Prefix:	hcci_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of cost for defined contribution plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage employer matches of the employee's percentage contribution matched.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Name:	hcci_DefinedContributionEmployerMatchAxis=hcci_First3ofEmployeeContributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	hcci_DefinedContributionEmployerMatchAxis=hcci_Next2ofEmployeeContributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	hcci_EmployeecontributionpercentAxis=hcci_First3ofEmployeeContributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: