RECEIVABLES FROM EMPLOYEES IN RESPECT OF STOCK OPTION EXERCISES (Detail) (USD $)	Oct. 01, 2011
Due From Former President In Respect Of Stock Option Exercises	$ 29,000

Amount due from former president in respect of stock option exercises.

No definition available.

Name:	arkr_DueFromFormerPresidentInRespectOfStockOptionExercises
Namespace Prefix:	arkr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant