Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Sep. 30, 2021
Operating Activities:
Net income (loss)	$ (2,029)	$ 471	$ (6,502)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	265	915	910
Amortization	80	319	318
Non cash amortization of right-of-use asset and liability	(51)	(252)	(288)
Provision for excess and obsolete inventories	91	304	422
Charge for lower of cost or net realizable value inventories	0	165	105
Gain on disposal of property and equipment	0	(338)	(23)
Share based compensation expense	281	570	1,009
Gain on extinguishment of debt	0	0	(2,955)
Changes in operating assets and liabilities:
Accounts receivable	544	4,787	(3,045)
Unbilled revenue	269	(2,786)	(1,899)
Income tax refund receivable\payable	0	(74)	1,284
Inventories	179	(4,379)	(875)
Prepaid expenses and other current assets	59	(23)	(547)
Other assets	0	0	51
Accounts payable	(232)	2,595	3,572
Accrued expenses	(384)	(31)	898
Deferred revenue	39	(59)	55
Net cash provided by (used in) operating activities	(889)	2,184	(7,510)
Investing Activities:
Proceeds from promissory note receivable	0	0	3,775
Purchases of property and equipment	(116)	(240)	(300)
Disposals of property and equipment	0	549	44
Net cash provided by (used in) investing activities	(116)	309	3,519
Financing Activities:
Change in bank line of credit	0	(2,050)	(750)
Payments on financing lease obligations	(155)	(899)	(484)
Payments on notes payable	0	0	(1,194)
Proceeds from sale of common stock	636	1,627	899
Proceeds from stock options exercised	0	64	89
Net cash (used in) provided by financing activities	481	(1,258)	(1,440)
Net increase (decrease) in cash, cash equivalents and restricted cash	(524)	1,235	(5,431)
Cash, cash equivalents and restricted cash at beginning of year	2,942	2,418	8,373
Cash, cash equivalents and restricted cash at end of year	$ 2,418	$ 3,653	$ 2,942