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Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Dec. 31, 2021
Sep. 30, 2021
ASSETS    
Cash and cash equivalents $ 10,136 $ 13,167
Short-term marketable securities 3,938 5,686
Restricted cash 273 279
Accounts receivable, net 6,787 7,682
Inventories, net 9,142 6,416
Prepaid expenses and other 1,223 2,255
Total current assets 31,499 35,485
Long-term marketable securities 3,381 1,875
Long-term restricted cash 1,083 1,082
Deferred tax assets, net 8,330 8,039
Property and equipment, net 1,821 1,755
Goodwill 23,787 23,834
Intangible assets, net 12,251 12,804
Operating lease right of use assets 4,689 4,862
Other assets 439 392
Total assets 87,280 90,128
LIABILITIES AND STOCKHOLDERS' EQUITY    
Accounts payable 2,259 2,160
Accrued liabilities 12,611 14,111
Notes payable 290 296
Operating lease liabilities, current portion 906 899
Total current liabilities 16,066 17,466
Other liabilities, noncurrent 995 995
Operating lease liabilities, noncurrent 5,488 5,709
Total liabilities 22,549 24,170
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; 36,371,529 and 36,403,833 shares issued and outstanding, respectively 0 0
Additional paid-in capital 107,273 107,110
Accumulated deficit (42,459) (41,154)
Accumulated other comprehensive income (loss) (83) 2
Total stockholders' equity 64,731 65,958
Total liabilities and stockholders' equity $ 87,280 $ 90,128