Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
ASSETS
Cash and cash equivalents	$ 4,780	$ 8,665
Short-term marketable securities	8,777	1,481
Restricted cash	0	758
Accounts receivable, net of allowance for credit losses of $65	4,435	5,952
Inventories, net	6,890	6,501
Prepaid expenses and other	2,100	1,851
Total current assets	26,982	25,208
Long-term restricted cash	346	96
Property and equipment, net	1,587	1,551
Goodwill	13,151	10,282
Intangible assets, net	10,366	8,427
Operating lease right of use assets	3,712	3,886
Other assets	494	455
Total assets	56,638	49,905
Accrued liabilities	8,618	7,466
Accounts payable	1,897	2,785
Operating lease liabilities, current portion	1,031	1,008
Total current liabilities	11,546	11,259
Other liabilities, noncurrent	509	551
Operating lease liabilities, noncurrent	4,030	4,283
Total liabilities	16,085	16,093
Stockholders' equity:
Preferred stock, $0.00001 par value; 5,000,000 shares authorized; none issued and outstanding	0	0
Common stock, $0.00001 par value; 100,000,000 shares authorized; 44,027,121 and 37,211,071 shares issued and outstanding, respectively	0	0
Additional paid-in capital	123,725	110,379
Accumulated deficit	(82,786)	(76,062)
Accumulated other comprehensive loss	(386)	(505)
Total stockholders' equity	40,553	33,812
Total liabilities and stockholders' equity	$ 56,638	$ 49,905