This percentage represents the amount by which rental expense will step up each year.

No definition available.

Name:	qbak_MonthlyRentStepUpPercentage
Namespace Prefix:	qbak_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the monthly rent required for operating lease.

+ References

No definition available.

+ Details

Name:	qbak_OperatingLeaseMonthlyRent
Namespace Prefix:	qbak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the amount of rent to be received per month under a sublease arrangement.

+ References

No definition available.

+ Details

Name:	qbak_OperatingLeasesMonthlySubleaseRent
Namespace Prefix:	qbak_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This percentage represents the amount by which the rental payments to be received, under a sublease arrangement, will step up each year.

+ References

No definition available.

+ Details

Name:	qbak_OperatingLeasesSubleaseMonthlyRentStepUpPercentage
Namespace Prefix:	qbak_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

+ Details

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

- Details

Name:	us-gaap_RealEstatePropertiesAxis=qbak_SimiValleyCaliforniaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RealEstatePropertiesAxis=qbak_WestlakeVillageCaliforniaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RealEstatePropertiesAxis=qbak_SingaporeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 10 - Commitments (Details Textual)			6 Months Ended	12 Months Ended
Note 10 - Commitments (Details Textual)	Apr. 01, 2016 USD ($) ft²	Mar. 21, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) ft²	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)
Operating Leases, Rent Expense, Net			$ 132,000	$ 184,000	$ 314,000	$ 402,000
Simi Valley California [Member]
Area of Real Estate Property \| ft²				15,160
Operating Lease Monthly Rent				$ 10,000
Monthly Rent Step-up Percentage				3.00%
Westlake Village, California [Member]
Area of Real Estate Property \| ft²				5,400
Operating Lease Monthly Rent				$ 10,000
Monthly Rent Step-up Percentage				3.00%
Operating Leases, Monthly Sublease Rent		$ 11,000
Operating Leases, Sublease, Monthly Rent Step-up Percentage		3.00%
Singapore [Member]
Area of Real Estate Property \| ft²	1,359
Operating Lease Monthly Rent	$ 2,200