BUSINESS COMBINATIONS - Preliminary purchase price (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
Assets acquired and liabilities assumed:
Receivables	$ 1,128	$ 1,431
Property and equipment	1,564	2,015
Prepaid expenses	147	89
Client relationships		1,980
Trademarks		1,170
Noncompete agreements		190
Backlog		143
Goodwill	545	3,034
Accounts payable		(160)
Accrued expenses	(219)	(266)
Customer advances	(570)	(335)
Total	$ 2,595
Capital leases		(57)
Balance at end of year		$ 9,234

Amount of backlog recognized to acquire at the acquisition date.

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Amount recognized on client relationship on date of acquisition.

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Amount of customer advances assumed.

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Amount recognized on noncompete agreements o acquisition date.

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Amount of lease obligation assumed in business combination.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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