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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Statement of Cash Flows [Abstract] |  |
Net income (loss) | $ 12,210 | $ 8,530
Bad debt expense | (168) | 21
Deferred financing cost amortization | 46 | 101
Depreciation and amortization | 4,020 | 2,362
Loss (gain) on sale of assets | (10) | (36)
Non-cash compensation expense | 842 | 931
Deferred income taxes | 2,751 | 2,815
Accounts receivable | 6,008 | 16,699
Inventories | (4,320) | 1,683
Costs and estimated earnings in excess of billings | 6,101 | 1,918
Prepaid expenses and other current assets | (2,466) | (6,291)
Other non-current assets | (302) | 74
Accounts payable and accrued expenses | (14,764) | (22,772)
Billings in excess of costs and estimated earnings | 8,992 | 4,992
Other non-current liabilities | 1,310 | (6)
Net cash provided by operating activities | 20,250 | 11,021
Purchases of property and equipment | (1,182) | (1,391)
Proceeds from sale of assets | 12 | 46
Cash paid in conjunction with business combinations | (54,774) |
Net cash used in investing activities | (55,944) | (1,345)
Borrowings of debt | 25,115 | 104,189
Repayments of debt | (10,099) | (104,189)
Cash paid for finance leases | (110) |
Distribution to noncontrolling interest | 0 | (457)
Purchase of treasury stock | (695) | (858)
Net cash used in financing activities | 14,211 | (1,315)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (21,483) | 8,361
CASH, CASH EQUIVALENTS, beginning of period |  | 18,934
CASH, CASH EQUIVALENTS, end of period | 32,094 | 27,295
Cash paid for interest | 99 | 273
Cash paid for income taxes (net) | $ 19 | $ (707)

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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StatementOfCashFlowsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration