CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net loss	$ (1,289)	$ (5,853)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Deferred income tax benefit	(25)	(61)
Rental equipment depreciation	4,443	2,711
Property, plant and equipment depreciation	930	919
Amortization of intangible assets	433	362
Amortization of premiums on short-term investments		(7)
Stock-based compensation expense	590	602
Bad debt expense (recovery)	27	(103)
Inventory obsolescence expense	1,436	1,428
Gross profit from sale of used rental equipment	(284)
Gain on disposal of property, plant and equipment	(14)
Realized loss on short-term investments		59
Effects of changes in operating assets and liabilities:
Trade accounts and other receivables	(8,460)	1,824
Income tax receivable	4
Inventories	(3,126)	(6,302)
Prepaid expenses and other current assets	(949)	(1,472)
Prepaid income taxes	(1)	(12)
Accounts payable trade	2,284	4,240
Accrued expenses and other	(283)	2,008
Deferred revenue and customer deposits	925	879
Income tax payable	9	50
Net cash provided by (used in) operating activities	(3,358)	1,272
Cash flows from investing activities:
Purchase of property, plant and equipment	(1,670)	(717)
Proceeds from the sale of property, plant and equipment	40
Investment in rental equipment	(5,152)	(10,164)
Proceeds from the sale of used rental equipment	1,146	728
Proceeds from the sale of short-term investments		16,081
Business acquisition		(1,819)
Payments for damages related to insurance claim		(118)
Proceeds from insurance claim		78
Net cash provided by (used in) investing activities	(5,636)	4,069
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	210	(379)
Increase (decrease) in cash and cash equivalents	(8,784)	5,177
Cash and cash equivalents, beginning of fiscal year	18,925	11,934
Cash and cash equivalents, end of fiscal period	10,141	17,111
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest	12	34
Cash paid for income taxes	1,440	7
Inventory transferred to rental equipment	$ 4,070	$ 7,353