v3.7.0.1

Note 7 - Prepaid Expenses and Other Assets (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Asset Impairment Charges	$ 129,000	$ 652,000
Security Deposit, Percentage	20.00%
Security Deposit, Refundable Period	10 years
Security Deposit, Refundable, Unamortized Discount, Effective Rate		10.00%
Debt, Weighted Average Interest Rate	7.13%
Amortization of Deferred Charges	$ 47,000	$ 80,000
Minimum [Member]
Capital Lease Obligation, Unamortized Discount, Effective Rate	9.29%
Maximum [Member]
Capital Lease Obligation, Unamortized Discount, Effective Rate	9.45%

The aggregate effective rate on amortized discount on capital lease obligations.

+ References

No definition available.

+ Details

Name:	alti_CapitalLeaseObligationUnamortizedDiscountEffectiveRate
Namespace Prefix:	alti_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of the contract price that server as security deposit.

+ References

No definition available.

+ Details

Name:	alti_SecurityDepositPercentage
Namespace Prefix:	alti_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The refundable period of security deposit.

+ References

No definition available.

+ Details

Name:	alti_SecurityDepositRefundablePeriod
Namespace Prefix:	alti_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of effective interest rate on amortized unearned interest income of long-term receivable from refundable security deposit.

+ References

No definition available.

+ Details

Name:	alti_SecurityDepositRefundableUnamortizedDiscountEffectiveRate
Namespace Prefix:	alti_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of amortization of deferred charges applied against earnings during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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