CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (13,093)	$ (5,146)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Deferred income tax benefit	(34)	(14)
Rental equipment depreciation	9,269	6,121
Property, plant and equipment depreciation	2,057	2,003
Amortization of intangible assets	866	795
Amortization of premiums on short-term investments		(9)
Stock-based compensation expense	1,123	1,194
Bad debt expense (recovery)	8,151	(30)
Inventory obsolescence expense	1,966	2,401
Change in estimated fair value of contingent consideration	972
Gross profit from sale of used rental equipment	(425)	(200)
Gain on disposal of property, plant and equipment	(153)
Realized loss on short-term investments		67
Effects of changes in operating assets and liabilities:
Trade accounts and other receivables	(771)	(5,806)
Inventories	1,760	(3,695)
Deferred cost of revenue and other assets	(8,440)	(1,021)
Accounts payable trade	871	3,018
Deferred revenue and other liabilities	1,607	(2,582)
Net cash provided by (used in) operating activities	5,726	(2,904)
Cash flows from investing activities:
Purchase of property, plant and equipment	(2,785)	(962)
Proceeds from the sale of property, plant and equipment	180
Investment in rental equipment	(5,238)	(20,420)
Proceeds from the sale of used rental equipment	2,100	1,646
Proceeds from the sale of short-term investments		24,856
Business acquisition		(1,819)
Payments for damages related to insurance claim		(616)
Proceeds from insurance claim		1,166
Net cash provided by (used in) investing activities	(5,743)	3,851
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	1	(331)
Increase (decrease) in cash and cash equivalents	(16)	831
Cash and cash equivalents, beginning of fiscal year	18,925	11,934
Cash and cash equivalents, end of fiscal period	18,909	12,765
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest	23	57
Cash paid for income taxes	2,074	533
Inventory transferred to rental equipment	$ 6,126	$ 1,781