Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Activities:
Net loss	$ (3,422)	$ (5,017)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation	503	426
Amortization	159	159
Non cash amortization of right-of-use asset and liability	(58)	(105)
Provision for excess and obsolete inventories	171	115
Share based compensation expense	528	561
Loss (gain) from disposal of property and equipment	2	(10)
Changes in assets and liabilities:
Accounts receivable	6,644	(649)
Unbilled revenue	(689)	(54)
Income tax receivable/payable	0	35
Inventories	(57)	(247)
Prepaid expenses and other assets	(254)	(533)
Accounts payable	1,049	881
Accrued expenses and other liabilities	19	375
Deferred revenue	57	(46)
Net cash provided by (used in) operating activities	4,652	(4,109)
Investing Activities:
Proceeds from promissory note receivable	0	1,505
Purchases of property and equipment	(194)	(93)
Disposals of property and equipment	42	29
Net cash (used in) provided by investing activities	(152)	1,441
Financing Activities:
Change in bank line of credit	(2,050)	0
Payments on financing lease obligations	(350)	(207)
Payments on notes payable	0	(1,249)
Proceeds from sale of common stock	804	900
Proceeds from stock options exercised	0	89
Net cash used in financing activities	(1,596)	(467)
Net increase (decrease) in cash, cash equivalents and restricted cash	2,904	(3,135)
Cash, cash equivalents and restricted cash at beginning of period	2,942	8,373
Cash, cash equivalents and restricted cash at end of period	$ 5,846	$ 5,238