Line of Credit Facility, Maximum Borrowing Capacity Increase

No definition available.

Name:	altv_LineOfCreditFacilityMaximumBorrowingCapacityIncrease
Namespace Prefix:	altv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

Name:	us-gaap_RatioOfIndebtednessToNetCapital1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

Debt Obligations (Narrative) (Details) (USD $) In Millions, unless otherwise specified			0 Months Ended			0 Months Ended
	Jun. 30, 2014	May 31, 2014	Mar. 11, 2013 Maximum [Member] TriState Capital Bank [Member]	Mar. 11, 2013 Maximum [Member] TriState Capital Bank [Member]	Jun. 30, 2014 Minimum [Member]	Mar. 11, 2013 Minimum [Member] TriState Capital Bank [Member]	Mar. 11, 2013 Minimum [Member] TriState Capital Bank [Member]
Line of Credit Facility [Line Items]
Line of credit facility, maximum				$ 20.0			$ 17.0
Interest rate percent, plus variable rate			3.50%			2.00%
Consolidated liquidity ratio					1.0
Maximum ceiling increase	3.0
Credit facilty, amount available	$ 5.0	$ 17.0