CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net loss	$ (15,378)	$ (8,818)
Adjustments to reconcile net loss to net cash provided by operating activities:
Deferred income tax expense (benefit)	195	(22)
Rental equipment depreciation	13,643	9,703
Property, plant and equipment depreciation	3,029	3,012
Amortization of intangible assets	1,299	1,228
Amortization of premiums on short-term investments		(9)
Stock-based compensation expense	1,682	1,781
Bad debt expense	406	599
Inventory obsolescence expense	2,853	3,013
Change in estimate of collectability of rental revenue	7,993
Change in estimated fair value of contingent consideration	1,634
Gross profit from sale of used rental equipment	(698)	(244)
Gain on disposal of property, plant and equipment	(151)	(90)
Realized loss on short-term investments		66
Effects of changes in operating assets and liabilities:
Trade accounts and other receivables	2,059	(82)
Inventories	898	(4,036)
Deferred cost of revenue and other assets	(8,178)	171
Accounts payable trade	(1,654)	601
Deferred revenue and other liabilities	2,811	(740)
Net cash provided by operating activities	12,443	6,133
Cash flows from investing activities:
Purchase of property, plant and equipment	(2,559)	(1,426)
Proceeds from the sale of property, plant and equipment	204	130
Investment in rental equipment	(5,448)	(28,728)
Proceeds from the sale of used rental equipment	3,258	3,388
Proceeds from the sale of short-term investments		25,606
Business acquisition		(1,819)
Payments for damages related to insurance claim		(650)
Proceeds from insurance claim		1,166
Net cash used in investing activities	(4,545)	(2,333)
Cash flows from financing activities:
Proceeds from the exercise of stock options		215
Net cash provided by financing activities		215
Effect of exchange rate changes on cash	(154)	(351)
Increase in cash and cash equivalents	7,744	3,664
Cash and cash equivalents, beginning of fiscal year	18,925	11,934
Cash and cash equivalents, end of fiscal period	26,669	15,598
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest	31	85
Cash paid for income taxes	2,454	1,249
Inventory transferred to rental equipment	$ 6,220	$ 1,810