Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities
Net income (loss)	$ (2,864)	$ 889
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Amortization of warrant debt, debt discount and debt issuance costs	15	33
Depreciation and amortization of property and equipment	534	539
Loss on sale of fixed assets	167	5
Provision for doubtful accounts	(83)	3
Stock-based compensation expense related to stock options	409	283
Remeasurement (gain) loss on derivative liability	(30)	19
Changes in operating assets and liabilities:
Accounts receivable	654	925
Inventories	(689)	71
Investment in sales-type lease	87	63
Capitalized commissions	80	154
Prepaid expenses and other current assets	(63)	(45)
Right-of-use assets under operating leases	(16)	655
Operating lease obligations	27	(665)
Other long-term assets	358	(93)
Accounts payable and accrued liabilities	176	(1,628)
Other long-term liabilities	94	17
Unearned revenue	(2,349)	(2,495)
Net cash used in operating activities	(3,493)	(1,270)
Investing activities
Purchases of property and equipment	(1,017)	(448)
Capitalization of software development costs	(954)	0
Net cash used in investing activities	(1,971)	(448)
Financing activities
Payments on notes payable	0	(618)
Proceeds from issuance of common stock	20	10
Proceeds from exercise of common stock options	105	209
Payments on finance lease obligations	(43)	(76)
Net cash provided by (used in) financing activities	82	(475)
Changes in cash and cash equivalents due to changes in foreign currency	(196)	(1)
Net decrease in cash and cash equivalents	(5,578)	(2,194)
Cash and cash equivalents at beginning of year	9,989	7,619
Cash and cash equivalents at end of period	4,411	5,425
Supplemental cash flow information:
Interest paid	2	31
Income taxes paid, foreign	41	44
Non-cash financing and investing activities:
Property and equipment financed by finance lease or accounts payable	$ 234	$ 0