Acquisitions - Estimated amortization expense (Details) - Preliminary Fair Value - USD ($)		12 Months Ended
Oct. 03, 2019	Jul. 31, 2019
Total	$ 811,000	$ 2,277,000
Developed Software/Technology [Member]
Total	$ 131,000	$ 397,000
Average Estimated Life	5 years	5 years
Referral Base [Member]
Total	$ 0	$ 10,000
Average Estimated Life	15 years	15 years
Noncompete Agreements [Member]
Total	$ 680,000	$ 1,870,000
Average Estimated Life	3 years	3 years

The amount of identifiable intangible assets recognized as of the acquisition date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant