Amount of accrued litigation interest during the year end.

No definition available.

Name:	arck_LitigationSettlementAccruedInterest
Namespace Prefix:	arck_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

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

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

+ Details

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

- Definition

Interest expense (income) directly attributable to an award in settlement of litigation.

+ References

No definition available.

+ Details

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

- Definition

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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=arck_BreachOfGuaranteeMember
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Judgments in Legal Proceedings (Detail Textuals 1) - USD ($)			1 Months Ended	3 Months Ended	9 Months Ended
	Nov. 11, 2011	Oct. 04, 2011	Dec. 25, 2011	Sep. 30, 2016	Sep. 30, 2016	Sep. 30, 2015
Loss Contingencies [Line Items]
Loss from legal proceedings						$ (27,142)
Breach of guarantee
Loss Contingencies [Line Items]
Litigation settlement amount		$ 161,747
Litigation settlement expense	$ 33,000
Accrued interest of litigation settlement			$ 2,369
Loss from legal proceedings			$ (197,116)
Interest expense				$ 2,841	$ 8,462