Note 6 - Fair Value Measurements - Instruments Measured at Fair Value on a Non-recurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	Sep. 30, 2021	Oct. 01, 2020
Zonehaven, Inc [Member] \| Reported Value Measurement [Member]
Goodwill	$ 15,538
Intangible assets	9,594
Zonehaven, Inc [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Goodwill	0
Intangible assets	0
Zonehaven, Inc [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Goodwill	0
Intangible assets	0
Zonehaven, Inc [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Goodwill	15,538
Intangible assets	9,594
Assets Acquisition of Amika Mobile Corporation [Member] \| Holdback Liability [Member]
Holdback liability from Amika Mobile asset purchase	687	$ 613
Assets Acquisition of Amika Mobile Corporation [Member] \| Reported Value Measurement [Member]
Goodwill	5,853
Intangible assets	2,531
Operating lease ROU asset from Amika Mobile asset purchase	248
Assets Acquisition of Amika Mobile Corporation [Member] \| Reported Value Measurement [Member] \| Holdback Liability [Member]
Holdback liability from Amika Mobile asset purchase	687
Assets Acquisition of Amika Mobile Corporation [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Goodwill	0
Intangible assets	0
Operating lease ROU asset from Amika Mobile asset purchase	0
Assets Acquisition of Amika Mobile Corporation [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member] \| Holdback Liability [Member]
Holdback liability from Amika Mobile asset purchase	0
Assets Acquisition of Amika Mobile Corporation [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Goodwill	0
Intangible assets	0
Operating lease ROU asset from Amika Mobile asset purchase	0
Assets Acquisition of Amika Mobile Corporation [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member] \| Holdback Liability [Member]
Holdback liability from Amika Mobile asset purchase	0
Assets Acquisition of Amika Mobile Corporation [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Goodwill	5,853
Intangible assets	2,531
Operating lease ROU asset from Amika Mobile asset purchase	248
Assets Acquisition of Amika Mobile Corporation [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member] \| Holdback Liability [Member]
Holdback liability from Amika Mobile asset purchase	$ 687

Amount of fair value portion of lessee's right to use underlying asset under operating lease.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

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- Definition

Fair value portion of asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

+ Details

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- Definition

Fair value of obligations not classified as financial liabilities. Includes, but is not limited to, accounts payable and accrued liabilities, commitments, obligations, and other liabilities.

+ References

No definition available.

+ Details

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